Finding the Fourth Proportional to 111,026.50, 153,216.57 and 60,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,026.50 : 153,216.57 = 60,725.50 : x
2. Step 2: Convert to fraction form
   111,026.50/153,216.57 = 60,725.50/x
3. Step 3: Cross multiply
   111,026.50x = 153,216.57 × 60,725.50
4. Step 4: Simplify right side
   111,026.50x = 9,304,152,821.54
5. Step 5: Solve for x
   x = 9,304,152,821.54/111,026.50
6. Step 6: Final answer
   x = 83,801.19