Finding the Fourth Proportional to 17,439.84, 24,086.57 and 13,508.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,439.84 : 24,086.57 = 13,508.51 : x
2. Step 2: Convert to fraction form
   17,439.84/24,086.57 = 13,508.51/x
3. Step 3: Cross multiply
   17,439.84x = 24,086.57 × 13,508.51
4. Step 4: Simplify right side
   17,439.84x = 325,373,483.74
5. Step 5: Solve for x
   x = 325,373,483.74/17,439.84
6. Step 6: Final answer
   x = 18,656.91