Finding the Fourth Proportional to 32,520, 48,787.38 and 13,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,520 : 48,787.38 = 13,800.72 : x
2. Step 2: Convert to fraction form
   32,520/48,787.38 = 13,800.72/x
3. Step 3: Cross multiply
   32,520x = 48,787.38 × 13,800.72
4. Step 4: Simplify right side
   32,520x = 673,300,970.91
5. Step 5: Solve for x
   x = 673,300,970.91/32,520
6. Step 6: Final answer
   x = 20,704.21