Finding the Fourth Proportional to 17,405.81, 24,019.88 and 9,447.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.81 : 24,019.88 = 9,447.87 : x
2. Step 2: Convert to fraction form
   17,405.81/24,019.88 = 9,447.87/x
3. Step 3: Cross multiply
   17,405.81x = 24,019.88 × 9,447.87
4. Step 4: Simplify right side
   17,405.81x = 226,936,703.66
5. Step 5: Solve for x
   x = 226,936,703.66/17,405.81
6. Step 6: Final answer
   x = 13,037.99