Finding the Fourth Proportional to 32,359.82, 48,558.60 and 13,638.71

Step by Step Solution

1. Step 1: Write the proportion equation
   32,359.82 : 48,558.60 = 13,638.71 : x
2. Step 2: Convert to fraction form
   32,359.82/48,558.60 = 13,638.71/x
3. Step 3: Cross multiply
   32,359.82x = 48,558.60 × 13,638.71
4. Step 4: Simplify right side
   32,359.82x = 662,276,663.41
5. Step 5: Solve for x
   x = 662,276,663.41/32,359.82
6. Step 6: Final answer
   x = 20,466.02