Finding the Fourth Proportional to 115,003.55, 172,540.62 and 58,883.06

Step by Step Solution

1. Step 1: Write the proportion equation
   115,003.55 : 172,540.62 = 58,883.06 : x
2. Step 2: Convert to fraction form
   115,003.55/172,540.62 = 58,883.06/x
3. Step 3: Cross multiply
   115,003.55x = 172,540.62 × 58,883.06
4. Step 4: Simplify right side
   115,003.55x = 10,159,718,522.78
5. Step 5: Solve for x
   x = 10,159,718,522.78/115,003.55
6. Step 6: Final answer
   x = 88,342.66