Finding the Fourth Proportional to 17,806.91, 24,573.69 and 9,740.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,806.91 : 24,573.69 = 9,740.40 : x
2. Step 2: Convert to fraction form
   17,806.91/24,573.69 = 9,740.40/x
3. Step 3: Cross multiply
   17,806.91x = 24,573.69 × 9,740.40
4. Step 4: Simplify right side
   17,806.91x = 239,357,588.76
5. Step 5: Solve for x
   x = 239,357,588.76/17,806.91
6. Step 6: Final answer
   x = 13,441.84