Finding the Fourth Proportional to 12,964.52, 17,873.06 and 8,708.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,964.52 : 17,873.06 = 8,708.18 : x
2. Step 2: Convert to fraction form
   12,964.52/17,873.06 = 8,708.18/x
3. Step 3: Cross multiply
   12,964.52x = 17,873.06 × 8,708.18
4. Step 4: Simplify right side
   12,964.52x = 155,641,690.72
5. Step 5: Solve for x
   x = 155,641,690.72/12,964.52
6. Step 6: Final answer
   x = 12,005.20