Finding the Fourth Proportional to 115,144.18, 172,397.40 and 58,863.16

Step by Step Solution

1. Step 1: Write the proportion equation
   115,144.18 : 172,397.40 = 58,863.16 : x
2. Step 2: Convert to fraction form
   115,144.18/172,397.40 = 58,863.16/x
3. Step 3: Cross multiply
   115,144.18x = 172,397.40 × 58,863.16
4. Step 4: Simplify right side
   115,144.18x = 10,147,855,739.78
5. Step 5: Solve for x
   x = 10,147,855,739.78/115,144.18
6. Step 6: Final answer
   x = 88,131.73