Finding the Fourth Proportional to 17,369.76, 23,970.30 and 9,411.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,369.76 : 23,970.30 = 9,411.99 : x
2. Step 2: Convert to fraction form
   17,369.76/23,970.30 = 9,411.99/x
3. Step 3: Cross multiply
   17,369.76x = 23,970.30 × 9,411.99
4. Step 4: Simplify right side
   17,369.76x = 225,608,223.90
5. Step 5: Solve for x
   x = 225,608,223.90/17,369.76
6. Step 6: Final answer
   x = 12,988.56