Finding the Fourth Proportional to 2,167.32, 2,988.88 and 2,006.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.32 : 2,988.88 = 2,006.24 : x
2. Step 2: Convert to fraction form
   2,167.32/2,988.88 = 2,006.24/x
3. Step 3: Cross multiply
   2,167.32x = 2,988.88 × 2,006.24
4. Step 4: Simplify right side
   2,167.32x = 5,996,410.61
5. Step 5: Solve for x
   x = 5,996,410.61/2,167.32
6. Step 6: Final answer
   x = 2,766.74