Finding the Fourth Proportional to 115,123.68, 172,366.66 and 58,842.59

Step by Step Solution

1. Step 1: Write the proportion equation
   115,123.68 : 172,366.66 = 58,842.59 : x
2. Step 2: Convert to fraction form
   115,123.68/172,366.66 = 58,842.59/x
3. Step 3: Cross multiply
   115,123.68x = 172,366.66 × 58,842.59
4. Step 4: Simplify right side
   115,123.68x = 10,142,500,704.05
5. Step 5: Solve for x
   x = 10,142,500,704.05/115,123.68
6. Step 6: Final answer
   x = 88,100.91