Finding the Fourth Proportional to 1,185,650,250.68, 1,636,206,952.62 and 657,023,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,650,250.68 : 1,636,206,952.62 = 657,023,066.72 : x
2. Step 2: Convert to fraction form
   1,185,650,250.68/1,636,206,952.62 = 657,023,066.72/x
3. Step 3: Cross multiply
   1,185,650,250.68x = 1,636,206,952.62 × 657,023,066.72
4. Step 4: Simplify right side
   1,185,650,250.68x = 1,075,025,709,798,978,048
5. Step 5: Solve for x
   x = 1,075,025,709,798,978,048/1,185,650,250.68
6. Step 6: Final answer
   x = 906,697,155.58