Finding the Fourth Proportional to 12,707.82, 17,535.15 and 7,118.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,707.82 : 17,535.15 = 7,118.82 : x
2. Step 2: Convert to fraction form
   12,707.82/17,535.15 = 7,118.82/x
3. Step 3: Cross multiply
   12,707.82x = 17,535.15 × 7,118.82
4. Step 4: Simplify right side
   12,707.82x = 124,829,576.52
5. Step 5: Solve for x
   x = 124,829,576.52/12,707.82
6. Step 6: Final answer
   x = 9,823.05