Finding the Fourth Proportional to 933,975,196.95, 1,288,901,092.77 and 557,664,665.22

Step by Step Solution

1. Step 1: Write the proportion equation
   933,975,196.95 : 1,288,901,092.77 = 557,664,665.22 : x
2. Step 2: Convert to fraction form
   933,975,196.95/1,288,901,092.77 = 557,664,665.22/x
3. Step 3: Cross multiply
   933,975,196.95x = 1,288,901,092.77 × 557,664,665.22
4. Step 4: Simplify right side
   933,975,196.95x = 718,774,596,401,274,240
5. Step 5: Solve for x
   x = 718,774,596,401,274,240/933,975,196.95
6. Step 6: Final answer
   x = 769,586,385.96