Finding the Fourth Proportional to 103,552.04, 142,764.18 and 67,680.38

Step by Step Solution

1. Step 1: Write the proportion equation
   103,552.04 : 142,764.18 = 67,680.38 : x
2. Step 2: Convert to fraction form
   103,552.04/142,764.18 = 67,680.38/x
3. Step 3: Cross multiply
   103,552.04x = 142,764.18 × 67,680.38
4. Step 4: Simplify right side
   103,552.04x = 9,662,333,952.79
5. Step 5: Solve for x
   x = 9,662,333,952.79/103,552.04
6. Step 6: Final answer
   x = 93,308.97