Finding the Fourth Proportional to 111,146.16, 153,381.96 and 60,848.40

Step by Step Solution

1. Step 1: Write the proportion equation
   111,146.16 : 153,381.96 = 60,848.40 : x
2. Step 2: Convert to fraction form
   111,146.16/153,381.96 = 60,848.40/x
3. Step 3: Cross multiply
   111,146.16x = 153,381.96 × 60,848.40
4. Step 4: Simplify right side
   111,146.16x = 9,333,046,854.86
5. Step 5: Solve for x
   x = 9,333,046,854.86/111,146.16
6. Step 6: Final answer
   x = 83,970.93