Finding the Fourth Proportional to 2,124.16, 3,168.88 and 2,066.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.16 : 3,168.88 = 2,066.90 : x
2. Step 2: Convert to fraction form
   2,124.16/3,168.88 = 2,066.90/x
3. Step 3: Cross multiply
   2,124.16x = 3,168.88 × 2,066.90
4. Step 4: Simplify right side
   2,124.16x = 6,549,754.89
5. Step 5: Solve for x
   x = 6,549,754.89/2,124.16
6. Step 6: Final answer
   x = 3,083.46