Finding the Fourth Proportional to 875,196,892.02, 1,207,757,499.96 and 478,716,413.52

Step by Step Solution

1. Step 1: Write the proportion equation
   875,196,892.02 : 1,207,757,499.96 = 478,716,413.52 : x
2. Step 2: Convert to fraction form
   875,196,892.02/1,207,757,499.96 = 478,716,413.52/x
3. Step 3: Cross multiply
   875,196,892.02x = 1,207,757,499.96 × 478,716,413.52
4. Step 4: Simplify right side
   875,196,892.02x = 578,173,338,782,732,800
5. Step 5: Solve for x
   x = 578,173,338,782,732,800/875,196,892.02
6. Step 6: Final answer
   x = 660,620,877.49