Finding the Fourth Proportional to 17,886.19, 24,678.50 and 9,926.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,886.19 : 24,678.50 = 9,926.42 : x
2. Step 2: Convert to fraction form
   17,886.19/24,678.50 = 9,926.42/x
3. Step 3: Cross multiply
   17,886.19x = 24,678.50 × 9,926.42
4. Step 4: Simplify right side
   17,886.19x = 244,969,155.97
5. Step 5: Solve for x
   x = 244,969,155.97/17,886.19
6. Step 6: Final answer
   x = 13,695.99