Finding the Fourth Proportional to 32,089.50, 48,153.69 and 13,621.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,089.50 : 48,153.69 = 13,621.50 : x
2. Step 2: Convert to fraction form
   32,089.50/48,153.69 = 13,621.50/x
3. Step 3: Cross multiply
   32,089.50x = 48,153.69 × 13,621.50
4. Step 4: Simplify right side
   32,089.50x = 655,925,488.34
5. Step 5: Solve for x
   x = 655,925,488.34/32,089.50
6. Step 6: Final answer
   x = 20,440.50