Finding the Fourth Proportional to 111,240,772.43, 153,498,154.01 and 60,991,768.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,240,772.43 : 153,498,154.01 = 60,991,768.98 : x
2. Step 2: Convert to fraction form
   111,240,772.43/153,498,154.01 = 60,991,768.98/x
3. Step 3: Cross multiply
   111,240,772.43x = 153,498,154.01 × 60,991,768.98
4. Step 4: Simplify right side
   111,240,772.43x = 9,362,123,947,929,420
5. Step 5: Solve for x
   x = 9,362,123,947,929,420/111,240,772.43
6. Step 6: Final answer
   x = 84,160,903.81