Finding the Fourth Proportional to 1,182,212,387,729.80, 1,773,139,406,748.60 and 321,753,609,194.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182,212,387,729.80 : 1,773,139,406,748.60 = 321,753,609,194.72 : x
2. Step 2: Convert to fraction form
   1,182,212,387,729.80/1,773,139,406,748.60 = 321,753,609,194.72/x
3. Step 3: Cross multiply
   1,182,212,387,729.80x = 1,773,139,406,748.60 × 321,753,609,194.72
4. Step 4: Simplify right side
   1,182,212,387,729.80x = 570,514,003,726,746,695,761,920
5. Step 5: Solve for x
   x = 570,514,003,726,746,695,761,920/1,182,212,387,729.80
6. Step 6: Final answer
   x = 482,581,649,158.92