Finding the Fourth Proportional to 32,604.70, 48,870.60 and 13,881.55

Step by Step Solution

1. Step 1: Write the proportion equation
   32,604.70 : 48,870.60 = 13,881.55 : x
2. Step 2: Convert to fraction form
   32,604.70/48,870.60 = 13,881.55/x
3. Step 3: Cross multiply
   32,604.70x = 48,870.60 × 13,881.55
4. Step 4: Simplify right side
   32,604.70x = 678,399,677.43
5. Step 5: Solve for x
   x = 678,399,677.43/32,604.70
6. Step 6: Final answer
   x = 20,806.81