Finding the Fourth Proportional to 17,431.89, 24,015.33 and 12,117.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,431.89 : 24,015.33 = 12,117.48 : x
2. Step 2: Convert to fraction form
   17,431.89/24,015.33 = 12,117.48/x
3. Step 3: Cross multiply
   17,431.89x = 24,015.33 × 12,117.48
4. Step 4: Simplify right side
   17,431.89x = 291,005,280.97
5. Step 5: Solve for x
   x = 291,005,280.97/17,431.89
6. Step 6: Final answer
   x = 16,693.85