Finding the Fourth Proportional to 32,402.78, 48,623.31 and 13,681.61

Step by Step Solution

1. Step 1: Write the proportion equation
   32,402.78 : 48,623.31 = 13,681.61 : x
2. Step 2: Convert to fraction form
   32,402.78/48,623.31 = 13,681.61/x
3. Step 3: Cross multiply
   32,402.78x = 48,623.31 × 13,681.61
4. Step 4: Simplify right side
   32,402.78x = 665,244,887.01
5. Step 5: Solve for x
   x = 665,244,887.01/32,402.78
6. Step 6: Final answer
   x = 20,530.49