Finding the Fourth Proportional to 32,485.48, 48,728.56 and 11,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   32,485.48 : 48,728.56 = 11,426.10 : x
2. Step 2: Convert to fraction form
   32,485.48/48,728.56 = 11,426.10/x
3. Step 3: Cross multiply
   32,485.48x = 48,728.56 × 11,426.10
4. Step 4: Simplify right side
   32,485.48x = 556,777,399.42
5. Step 5: Solve for x
   x = 556,777,399.42/32,485.48
6. Step 6: Final answer
   x = 17,139.27