Finding the Fourth Proportional to 4,139.74, 5,737.45 and 4,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,139.74 : 5,737.45 = 4,061.98 : x
2. Step 2: Convert to fraction form
   4,139.74/5,737.45 = 4,061.98/x
3. Step 3: Cross multiply
   4,139.74x = 5,737.45 × 4,061.98
4. Step 4: Simplify right side
   4,139.74x = 23,305,407.15
5. Step 5: Solve for x
   x = 23,305,407.15/4,139.74
6. Step 6: Final answer
   x = 5,629.68