Finding the Fourth Proportional to 2,679.30, 4,002.61 and 2,132.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.30 : 4,002.61 = 2,132.10 : x
2. Step 2: Convert to fraction form
   2,679.30/4,002.61 = 2,132.10/x
3. Step 3: Cross multiply
   2,679.30x = 4,002.61 × 2,132.10
4. Step 4: Simplify right side
   2,679.30x = 8,533,950.69
5. Step 5: Solve for x
   x = 8,533,950.69/2,679.30
6. Step 6: Final answer
   x = 3,185.14