Finding the Fourth Proportional to 32,111.55, 48,149.82 and 9,920.79

Step by Step Solution

1. Step 1: Write the proportion equation
   32,111.55 : 48,149.82 = 9,920.79 : x
2. Step 2: Convert to fraction form
   32,111.55/48,149.82 = 9,920.79/x
3. Step 3: Cross multiply
   32,111.55x = 48,149.82 × 9,920.79
4. Step 4: Simplify right side
   32,111.55x = 477,684,252.76
5. Step 5: Solve for x
   x = 477,684,252.76/32,111.55
6. Step 6: Final answer
   x = 14,875.78