Finding the Fourth Proportional to 12,742.39, 17,584.61 and 7,436.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,742.39 : 17,584.61 = 7,436.17 : x
2. Step 2: Convert to fraction form
   12,742.39/17,584.61 = 7,436.17/x
3. Step 3: Cross multiply
   12,742.39x = 17,584.61 × 7,436.17
4. Step 4: Simplify right side
   12,742.39x = 130,762,175.97
5. Step 5: Solve for x
   x = 130,762,175.97/12,742.39
6. Step 6: Final answer
   x = 10,261.98