Finding the Fourth Proportional to 115,102.89, 172,543.59 and 58,969.53

Step by Step Solution

1. Step 1: Write the proportion equation
   115,102.89 : 172,543.59 = 58,969.53 : x
2. Step 2: Convert to fraction form
   115,102.89/172,543.59 = 58,969.53/x
3. Step 3: Cross multiply
   115,102.89x = 172,543.59 × 58,969.53
4. Step 4: Simplify right side
   115,102.89x = 10,174,814,406.81
5. Step 5: Solve for x
   x = 10,174,814,406.81/115,102.89
6. Step 6: Final answer
   x = 88,397.56