Finding the Fourth Proportional to 103,107, 142,285.24 and 60,668.28

Step by Step Solution

1. Step 1: Write the proportion equation
   103,107 : 142,285.24 = 60,668.28 : x
2. Step 2: Convert to fraction form
   103,107/142,285.24 = 60,668.28/x
3. Step 3: Cross multiply
   103,107x = 142,285.24 × 60,668.28
4. Step 4: Simplify right side
   103,107x = 8,632,200,780.19
5. Step 5: Solve for x
   x = 8,632,200,780.19/103,107
6. Step 6: Final answer
   x = 83,720.80