Finding the Fourth Proportional to 483,159,354.72, 666,819,934.72 and 274,382,560.96

Step by Step Solution

1. Step 1: Write the proportion equation
   483,159,354.72 : 666,819,934.72 = 274,382,560.96 : x
2. Step 2: Convert to fraction form
   483,159,354.72/666,819,934.72 = 274,382,560.96/x
3. Step 3: Cross multiply
   483,159,354.72x = 666,819,934.72 × 274,382,560.96
4. Step 4: Simplify right side
   483,159,354.72x = 182,963,761,387,653,600
5. Step 5: Solve for x
   x = 182,963,761,387,653,600/483,159,354.72
6. Step 6: Final answer
   x = 378,682,021.99