Finding the Fourth Proportional to 12,706.28, 17,534.76 and 7,041.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.28 : 17,534.76 = 7,041.12 : x
2. Step 2: Convert to fraction form
   12,706.28/17,534.76 = 7,041.12/x
3. Step 3: Cross multiply
   12,706.28x = 17,534.76 × 7,041.12
4. Step 4: Simplify right side
   12,706.28x = 123,464,321.16
5. Step 5: Solve for x
   x = 123,464,321.16/12,706.28
6. Step 6: Final answer
   x = 9,716.80