Finding the Fourth Proportional to 103,164.77, 142,429.50 and 67,414.61

Step by Step Solution

1. Step 1: Write the proportion equation
   103,164.77 : 142,429.50 = 67,414.61 : x
2. Step 2: Convert to fraction form
   103,164.77/142,429.50 = 67,414.61/x
3. Step 3: Cross multiply
   103,164.77x = 142,429.50 × 67,414.61
4. Step 4: Simplify right side
   103,164.77x = 9,601,829,195.00
5. Step 5: Solve for x
   x = 9,601,829,195.00/103,164.77
6. Step 6: Final answer
   x = 93,072.75