Finding the Fourth Proportional to 115,045.43, 172,243.71 and 60,887.43

Step by Step Solution

1. Step 1: Write the proportion equation
   115,045.43 : 172,243.71 = 60,887.43 : x
2. Step 2: Convert to fraction form
   115,045.43/172,243.71 = 60,887.43/x
3. Step 3: Cross multiply
   115,045.43x = 172,243.71 × 60,887.43
4. Step 4: Simplify right side
   115,045.43x = 10,487,476,835.57
5. Step 5: Solve for x
   x = 10,487,476,835.57/115,045.43
6. Step 6: Final answer
   x = 91,159.44