Finding the Fourth Proportional to 12,870.45, 17,759.92 and 7,204.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,870.45 : 17,759.92 = 7,204.83 : x
2. Step 2: Convert to fraction form
   12,870.45/17,759.92 = 7,204.83/x
3. Step 3: Cross multiply
   12,870.45x = 17,759.92 × 7,204.83
4. Step 4: Simplify right side
   12,870.45x = 127,957,204.41
5. Step 5: Solve for x
   x = 127,957,204.41/12,870.45
6. Step 6: Final answer
   x = 9,941.94