Finding the Fourth Proportional to 17,870.50, 24,662.87 and 9,914.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.50 : 24,662.87 = 9,914.28 : x
2. Step 2: Convert to fraction form
   17,870.50/24,662.87 = 9,914.28/x
3. Step 3: Cross multiply
   17,870.50x = 24,662.87 × 9,914.28
4. Step 4: Simplify right side
   17,870.50x = 244,514,598.78
5. Step 5: Solve for x
   x = 244,514,598.78/17,870.50
6. Step 6: Final answer
   x = 13,682.58