Finding the Fourth Proportional to 907,456,892.98, 1,252,329,012.71 and 505,570,284.76

Step by Step Solution

1. Step 1: Write the proportion equation
   907,456,892.98 : 1,252,329,012.71 = 505,570,284.76 : x
2. Step 2: Convert to fraction form
   907,456,892.98/1,252,329,012.71 = 505,570,284.76/x
3. Step 3: Cross multiply
   907,456,892.98x = 1,252,329,012.71 × 505,570,284.76
4. Step 4: Simplify right side
   907,456,892.98x = 633,140,335,566,476,416
5. Step 5: Solve for x
   x = 633,140,335,566,476,416/907,456,892.98
6. Step 6: Final answer
   x = 697,708,442.64