Finding the Fourth Proportional to 2,737.61, 3,777.89 and 1,478.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,737.61 : 3,777.89 = 1,478.66 : x
2. Step 2: Convert to fraction form
   2,737.61/3,777.89 = 1,478.66/x
3. Step 3: Cross multiply
   2,737.61x = 3,777.89 × 1,478.66
4. Step 4: Simplify right side
   2,737.61x = 5,586,218.52
5. Step 5: Solve for x
   x = 5,586,218.52/2,737.61
6. Step 6: Final answer
   x = 2,040.55