Finding the Fourth Proportional to 103,150.32, 142,320.80 and 60,700.88

Step by Step Solution

1. Step 1: Write the proportion equation
   103,150.32 : 142,320.80 = 60,700.88 : x
2. Step 2: Convert to fraction form
   103,150.32/142,320.80 = 60,700.88/x
3. Step 3: Cross multiply
   103,150.32x = 142,320.80 × 60,700.88
4. Step 4: Simplify right side
   103,150.32x = 8,638,997,802.30
5. Step 5: Solve for x
   x = 8,638,997,802.30/103,150.32
6. Step 6: Final answer
   x = 83,751.54