Finding the Fourth Proportional to 17,490.95, 24,112.04 and 12,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,490.95 : 24,112.04 = 12,105.18 : x
2. Step 2: Convert to fraction form
   17,490.95/24,112.04 = 12,105.18/x
3. Step 3: Cross multiply
   17,490.95x = 24,112.04 × 12,105.18
4. Step 4: Simplify right side
   17,490.95x = 291,880,523.84
5. Step 5: Solve for x
   x = 291,880,523.84/17,490.95
6. Step 6: Final answer
   x = 16,687.52