Finding the Fourth Proportional to 17,116.86, 23,623.02 and 12,340.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.86 : 23,623.02 = 12,340.74 : x
2. Step 2: Convert to fraction form
   17,116.86/23,623.02 = 12,340.74/x
3. Step 3: Cross multiply
   17,116.86x = 23,623.02 × 12,340.74
4. Step 4: Simplify right side
   17,116.86x = 291,525,547.83
5. Step 5: Solve for x
   x = 291,525,547.83/17,116.86
6. Step 6: Final answer
   x = 17,031.49