Finding the Fourth Proportional to 17,369.64, 23,970.18 and 9,411.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,369.64 : 23,970.18 = 9,411.86 : x
2. Step 2: Convert to fraction form
   17,369.64/23,970.18 = 9,411.86/x
3. Step 3: Cross multiply
   17,369.64x = 23,970.18 × 9,411.86
4. Step 4: Simplify right side
   17,369.64x = 225,604,073.55
5. Step 5: Solve for x
   x = 225,604,073.55/17,369.64
6. Step 6: Final answer
   x = 12,988.41