Finding the Fourth Proportional to 114,726.28, 172,108.86 and 58,557.64

Step by Step Solution

1. Step 1: Write the proportion equation
   114,726.28 : 172,108.86 = 58,557.64 : x
2. Step 2: Convert to fraction form
   114,726.28/172,108.86 = 58,557.64/x
3. Step 3: Cross multiply
   114,726.28x = 172,108.86 × 58,557.64
4. Step 4: Simplify right side
   114,726.28x = 10,078,288,664.69
5. Step 5: Solve for x
   x = 10,078,288,664.69/114,726.28
6. Step 6: Final answer
   x = 87,846.38