Finding the Fourth Proportional to 10,660.34, 15,988.71 and 2,867.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,660.34 : 15,988.71 = 2,867.42 : x
2. Step 2: Convert to fraction form
   10,660.34/15,988.71 = 2,867.42/x
3. Step 3: Cross multiply
   10,660.34x = 15,988.71 × 2,867.42
4. Step 4: Simplify right side
   10,660.34x = 45,846,346.83
5. Step 5: Solve for x
   x = 45,846,346.83/10,660.34
6. Step 6: Final answer
   x = 4,300.65