Finding the Fourth Proportional to 16,145.74, 24,217.93 and 5,618.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.74 : 24,217.93 = 5,618.15 : x
2. Step 2: Convert to fraction form
   16,145.74/24,217.93 = 5,618.15/x
3. Step 3: Cross multiply
   16,145.74x = 24,217.93 × 5,618.15
4. Step 4: Simplify right side
   16,145.74x = 136,059,963.43
5. Step 5: Solve for x
   x = 136,059,963.43/16,145.74
6. Step 6: Final answer
   x = 8,426.99