Finding the Fourth Proportional to 972,695,433.25, 1,459,132,843.83 and 317,649,892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   972,695,433.25 : 1,459,132,843.83 = 317,649,892.56 : x
2. Step 2: Convert to fraction form
   972,695,433.25/1,459,132,843.83 = 317,649,892.56/x
3. Step 3: Cross multiply
   972,695,433.25x = 1,459,132,843.83 × 317,649,892.56
4. Step 4: Simplify right side
   972,695,433.25x = 463,493,391,074,920,000
5. Step 5: Solve for x
   x = 463,493,391,074,920,000/972,695,433.25
6. Step 6: Final answer
   x = 476,504,129.90