Finding the Fourth Proportional to 12,710.38, 17,540.76 and 7,045.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,710.38 : 17,540.76 = 7,045.06 : x
2. Step 2: Convert to fraction form
   12,710.38/17,540.76 = 7,045.06/x
3. Step 3: Cross multiply
   12,710.38x = 17,540.76 × 7,045.06
4. Step 4: Simplify right side
   12,710.38x = 123,575,706.65
5. Step 5: Solve for x
   x = 123,575,706.65/12,710.38
6. Step 6: Final answer
   x = 9,722.42