Finding the Fourth Proportional to 103,550.04, 142,761.42 and 67,678.38

Step by Step Solution

1. Step 1: Write the proportion equation
   103,550.04 : 142,761.42 = 67,678.38 : x
2. Step 2: Convert to fraction form
   103,550.04/142,761.42 = 67,678.38/x
3. Step 3: Cross multiply
   103,550.04x = 142,761.42 × 67,678.38
4. Step 4: Simplify right side
   103,550.04x = 9,661,861,632.10
5. Step 5: Solve for x
   x = 9,661,861,632.10/103,550.04
6. Step 6: Final answer
   x = 93,306.21