Finding the Fourth Proportional to 1,182,212,387,690.50, 1,773,139,406,691.60 and 321,753,609,156.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,212,387,690.50 : 1,773,139,406,691.60 = 321,753,609,156.96 : x
2. Step 2: Convert to fraction form
   1,182,212,387,690.50/1,773,139,406,691.60 = 321,753,609,156.96/x
3. Step 3: Cross multiply
   1,182,212,387,690.50x = 1,773,139,406,691.60 × 321,753,609,156.96
4. Step 4: Simplify right side
   1,182,212,387,690.50x = 570,514,003,641,453,074,448,384
5. Step 5: Solve for x
   x = 570,514,003,641,453,074,448,384/1,182,212,387,690.50
6. Step 6: Final answer
   x = 482,581,649,102.81