Finding the Fourth Proportional to 32,425.20, 48,642.84 and 13,705.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32,425.20 : 48,642.84 = 13,705.31 : x
2. Step 2: Convert to fraction form
   32,425.20/48,642.84 = 13,705.31/x
3. Step 3: Cross multiply
   32,425.20x = 48,642.84 × 13,705.31
4. Step 4: Simplify right side
   32,425.20x = 666,664,958.27
5. Step 5: Solve for x
   x = 666,664,958.27/32,425.20
6. Step 6: Final answer
   x = 20,560.09