Finding the Fourth Proportional to 103,321.42, 142,546.89 and 67,532.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,321.42 : 142,546.89 = 67,532.10 : x
2. Step 2: Convert to fraction form
   103,321.42/142,546.89 = 67,532.10/x
3. Step 3: Cross multiply
   103,321.42x = 142,546.89 × 67,532.10
4. Step 4: Simplify right side
   103,321.42x = 9,626,490,830.17
5. Step 5: Solve for x
   x = 9,626,490,830.17/103,321.42
6. Step 6: Final answer
   x = 93,170.33