Finding the Fourth Proportional to 12,583.23, 17,364.42 and 8,107.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,583.23 : 17,364.42 = 8,107.17 : x
2. Step 2: Convert to fraction form
   12,583.23/17,364.42 = 8,107.17/x
3. Step 3: Cross multiply
   12,583.23x = 17,364.42 × 8,107.17
4. Step 4: Simplify right side
   12,583.23x = 140,776,304.89
5. Step 5: Solve for x
   x = 140,776,304.89/12,583.23
6. Step 6: Final answer
   x = 11,187.61