Finding the Fourth Proportional to 8,708.72, 13,064.70 and 2,869.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,708.72 : 13,064.70 = 2,869.42 : x
2. Step 2: Convert to fraction form
   8,708.72/13,064.70 = 2,869.42/x
3. Step 3: Cross multiply
   8,708.72x = 13,064.70 × 2,869.42
4. Step 4: Simplify right side
   8,708.72x = 37,488,111.47
5. Step 5: Solve for x
   x = 37,488,111.47/8,708.72
6. Step 6: Final answer
   x = 4,304.66