Finding the Fourth Proportional to 17,111.64, 23,612.72 and 9,557.37

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.64 : 23,612.72 = 9,557.37 : x
2. Step 2: Convert to fraction form
   17,111.64/23,612.72 = 9,557.37/x
3. Step 3: Cross multiply
   17,111.64x = 23,612.72 × 9,557.37
4. Step 4: Simplify right side
   17,111.64x = 225,675,453.96
5. Step 5: Solve for x
   x = 225,675,453.96/17,111.64
6. Step 6: Final answer
   x = 13,188.42