Finding the Fourth Proportional to 115,003.90, 172,541.15 and 58,883.42

Step by Step Solution

1. Step 1: Write the proportion equation
   115,003.90 : 172,541.15 = 58,883.42 : x
2. Step 2: Convert to fraction form
   115,003.90/172,541.15 = 58,883.42/x
3. Step 3: Cross multiply
   115,003.90x = 172,541.15 × 58,883.42
4. Step 4: Simplify right side
   115,003.90x = 10,159,812,140.03
5. Step 5: Solve for x
   x = 10,159,812,140.03/115,003.90
6. Step 6: Final answer
   x = 88,343.20