Finding the Fourth Proportional to 115,238.50, 172,886.91 and 32,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,238.50 : 172,886.91 = 32,132.50 : x
2. Step 2: Convert to fraction form
   115,238.50/172,886.91 = 32,132.50/x
3. Step 3: Cross multiply
   115,238.50x = 172,886.91 × 32,132.50
4. Step 4: Simplify right side
   115,238.50x = 5,555,288,635.58
5. Step 5: Solve for x
   x = 5,555,288,635.58/115,238.50
6. Step 6: Final answer
   x = 48,206.88