Finding the Fourth Proportional to 103,321.17, 142,546.55 and 67,531.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,321.17 : 142,546.55 = 67,531.82 : x
2. Step 2: Convert to fraction form
   103,321.17/142,546.55 = 67,531.82/x
3. Step 3: Cross multiply
   103,321.17x = 142,546.55 × 67,531.82
4. Step 4: Simplify right side
   103,321.17x = 9,626,426,905.83
5. Step 5: Solve for x
   x = 9,626,426,905.83/103,321.17
6. Step 6: Final answer
   x = 93,169.94