Finding the Fourth Proportional to 111,414.35, 153,761.52 and 61,123.07

Step by Step Solution

1. Step 1: Write the proportion equation
   111,414.35 : 153,761.52 = 61,123.07 : x
2. Step 2: Convert to fraction form
   111,414.35/153,761.52 = 61,123.07/x
3. Step 3: Cross multiply
   111,414.35x = 153,761.52 × 61,123.07
4. Step 4: Simplify right side
   111,414.35x = 9,398,376,150.27
5. Step 5: Solve for x
   x = 9,398,376,150.27/111,414.35
6. Step 6: Final answer
   x = 84,355.17