Finding the Fourth Proportional to 32,248.38, 48,372.55 and 21,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,248.38 : 48,372.55 = 21,152.50 : x
2. Step 2: Convert to fraction form
   32,248.38/48,372.55 = 21,152.50/x
3. Step 3: Cross multiply
   32,248.38x = 48,372.55 × 21,152.50
4. Step 4: Simplify right side
   32,248.38x = 1,023,200,363.88
5. Step 5: Solve for x
   x = 1,023,200,363.88/32,248.38
6. Step 6: Final answer
   x = 31,728.74