Finding the Fourth Proportional to 32,532.72, 48,789.40 and 13,812.48

Step by Step Solution

1. Step 1: Write the proportion equation
   32,532.72 : 48,789.40 = 13,812.48 : x
2. Step 2: Convert to fraction form
   32,532.72/48,789.40 = 13,812.48/x
3. Step 3: Cross multiply
   32,532.72x = 48,789.40 × 13,812.48
4. Step 4: Simplify right side
   32,532.72x = 673,902,611.71
5. Step 5: Solve for x
   x = 673,902,611.71/32,532.72
6. Step 6: Final answer
   x = 20,714.61