Finding the Fourth Proportional to 32,189.50, 48,280.15 and 12,454.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,189.50 : 48,280.15 = 12,454.56 : x
2. Step 2: Convert to fraction form
   32,189.50/48,280.15 = 12,454.56/x
3. Step 3: Cross multiply
   32,189.50x = 48,280.15 × 12,454.56
4. Step 4: Simplify right side
   32,189.50x = 601,308,040.55
5. Step 5: Solve for x
   x = 601,308,040.55/32,189.50
6. Step 6: Final answer
   x = 18,680.25