Finding the Fourth Proportional to 4,073.77, 6,109.43 and 2,124.91

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073.77 : 6,109.43 = 2,124.91 : x
2. Step 2: Convert to fraction form
   4,073.77/6,109.43 = 2,124.91/x
3. Step 3: Cross multiply
   4,073.77x = 6,109.43 × 2,124.91
4. Step 4: Simplify right side
   4,073.77x = 12,981,947.73
5. Step 5: Solve for x
   x = 12,981,947.73/4,073.77
6. Step 6: Final answer
   x = 3,186.72