Finding the Fourth Proportional to 111,415.50, 153,753.39 and 61,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,415.50 : 153,753.39 = 61,114.50 : x
2. Step 2: Convert to fraction form
   111,415.50/153,753.39 = 61,114.50/x
3. Step 3: Cross multiply
   111,415.50x = 153,753.39 × 61,114.50
4. Step 4: Simplify right side
   111,415.50x = 9,396,561,553.16
5. Step 5: Solve for x
   x = 9,396,561,553.16/111,415.50
6. Step 6: Final answer
   x = 84,338.01