Finding the Fourth Proportional to 111,520.26, 153,892.71 and 60,531.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,520.26 : 153,892.71 = 60,531.84 : x
2. Step 2: Convert to fraction form
   111,520.26/153,892.71 = 60,531.84/x
3. Step 3: Cross multiply
   111,520.26x = 153,892.71 × 60,531.84
4. Step 4: Simplify right side
   111,520.26x = 9,315,408,898.89
5. Step 5: Solve for x
   x = 9,315,408,898.89/111,520.26
6. Step 6: Final answer
   x = 83,531.09