Finding the Fourth Proportional to 820,059,242.09, 1,131,681,022.96 and 462,902,196.04

Step by Step Solution

1. Step 1: Write the proportion equation
   820,059,242.09 : 1,131,681,022.96 = 462,902,196.04 : x
2. Step 2: Convert to fraction form
   820,059,242.09/1,131,681,022.96 = 462,902,196.04/x
3. Step 3: Cross multiply
   820,059,242.09x = 1,131,681,022.96 × 462,902,196.04
4. Step 4: Simplify right side
   820,059,242.09x = 523,857,630,746,649,600
5. Step 5: Solve for x
   x = 523,857,630,746,649,600/820,059,242.09
6. Step 6: Final answer
   x = 638,804,617.84