Finding the Fourth Proportional to 17,892.87, 24,715.40 and 13,617.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,892.87 : 24,715.40 = 13,617.96 : x
2. Step 2: Convert to fraction form
   17,892.87/24,715.40 = 13,617.96/x
3. Step 3: Cross multiply
   17,892.87x = 24,715.40 × 13,617.96
4. Step 4: Simplify right side
   17,892.87x = 336,573,167.81
5. Step 5: Solve for x
   x = 336,573,167.81/17,892.87
6. Step 6: Final answer
   x = 18,810.47