Finding the Fourth Proportional to 12,706.01, 17,532.88 and 7,039.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,706.01 : 17,532.88 = 7,039.25 : x
2. Step 2: Convert to fraction form
   12,706.01/17,532.88 = 7,039.25/x
3. Step 3: Cross multiply
   12,706.01x = 17,532.88 × 7,039.25
4. Step 4: Simplify right side
   12,706.01x = 123,418,220.28
5. Step 5: Solve for x
   x = 123,418,220.28/12,706.01
6. Step 6: Final answer
   x = 9,713.38