Finding the Fourth Proportional to 17,405.56, 24,019.68 and 9,447.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.56 : 24,019.68 = 9,447.78 : x
2. Step 2: Convert to fraction form
   17,405.56/24,019.68 = 9,447.78/x
3. Step 3: Cross multiply
   17,405.56x = 24,019.68 × 9,447.78
4. Step 4: Simplify right side
   17,405.56x = 226,932,652.31
5. Step 5: Solve for x
   x = 226,932,652.31/17,405.56
6. Step 6: Final answer
   x = 13,037.94