Finding the Fourth Proportional to 23,280.15, 32,125.61 and 12,669.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,280.15 : 32,125.61 = 12,669.76 : x
2. Step 2: Convert to fraction form
   23,280.15/32,125.61 = 12,669.76/x
3. Step 3: Cross multiply
   23,280.15x = 32,125.61 × 12,669.76
4. Step 4: Simplify right side
   23,280.15x = 407,023,719.91
5. Step 5: Solve for x
   x = 407,023,719.91/23,280.15
6. Step 6: Final answer
   x = 17,483.72