Finding the Fourth Proportional to 115,380.18, 172,963.35 and 59,096.39

Step by Step Solution

1. Step 1: Write the proportion equation
   115,380.18 : 172,963.35 = 59,096.39 : x
2. Step 2: Convert to fraction form
   115,380.18/172,963.35 = 59,096.39/x
3. Step 3: Cross multiply
   115,380.18x = 172,963.35 × 59,096.39
4. Step 4: Simplify right side
   115,380.18x = 10,221,508,722.49
5. Step 5: Solve for x
   x = 10,221,508,722.49/115,380.18
6. Step 6: Final answer
   x = 88,589.81