Finding the Fourth Proportional to 13,104.29, 18,083.01 and 7,439.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,104.29 : 18,083.01 = 7,439.17 : x
2. Step 2: Convert to fraction form
   13,104.29/18,083.01 = 7,439.17/x
3. Step 3: Cross multiply
   13,104.29x = 18,083.01 × 7,439.17
4. Step 4: Simplify right side
   13,104.29x = 134,522,585.50
5. Step 5: Solve for x
   x = 134,522,585.50/13,104.29
6. Step 6: Final answer
   x = 10,265.54