Finding the Fourth Proportional to 12,860.18, 17,746.89 and 7,270.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860.18 : 17,746.89 = 7,270.82 : x
2. Step 2: Convert to fraction form
   12,860.18/17,746.89 = 7,270.82/x
3. Step 3: Cross multiply
   12,860.18x = 17,746.89 × 7,270.82
4. Step 4: Simplify right side
   12,860.18x = 129,034,442.75
5. Step 5: Solve for x
   x = 129,034,442.75/12,860.18
6. Step 6: Final answer
   x = 10,033.64