Finding the Fourth Proportional to 103,152.32, 142,323.56 and 60,702.88

Step by Step Solution

1. Step 1: Write the proportion equation
   103,152.32 : 142,323.56 = 60,702.88 : x
2. Step 2: Convert to fraction form
   103,152.32/142,323.56 = 60,702.88/x
3. Step 3: Cross multiply
   103,152.32x = 142,323.56 × 60,702.88
4. Step 4: Simplify right side
   103,152.32x = 8,639,449,983.85
5. Step 5: Solve for x
   x = 8,639,449,983.85/103,152.32
6. Step 6: Final answer
   x = 83,754.30