Finding the Fourth Proportional to 17,656.38, 24,387.39 and 13,199.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,656.38 : 24,387.39 = 13,199.94 : x
2. Step 2: Convert to fraction form
   17,656.38/24,387.39 = 13,199.94/x
3. Step 3: Cross multiply
   17,656.38x = 24,387.39 × 13,199.94
4. Step 4: Simplify right side
   17,656.38x = 321,912,084.76
5. Step 5: Solve for x
   x = 321,912,084.76/17,656.38
6. Step 6: Final answer
   x = 18,232.05