Finding the Fourth Proportional to 3,005.16, 4,150.80 and 2,124.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,005.16 : 4,150.80 = 2,124.86 : x
2. Step 2: Convert to fraction form
   3,005.16/4,150.80 = 2,124.86/x
3. Step 3: Cross multiply
   3,005.16x = 4,150.80 × 2,124.86
4. Step 4: Simplify right side
   3,005.16x = 8,819,868.89
5. Step 5: Solve for x
   x = 8,819,868.89/3,005.16
6. Step 6: Final answer
   x = 2,934.91