Finding the Fourth Proportional to 17,967.78, 24,798.69 and 13,711.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,967.78 : 24,798.69 = 13,711.86 : x
2. Step 2: Convert to fraction form
   17,967.78/24,798.69 = 13,711.86/x
3. Step 3: Cross multiply
   17,967.78x = 24,798.69 × 13,711.86
4. Step 4: Simplify right side
   17,967.78x = 340,036,165.46
5. Step 5: Solve for x
   x = 340,036,165.46/17,967.78
6. Step 6: Final answer
   x = 18,924.77