Finding the Fourth Proportional to 3,737.09, 5,155.83 and 2,478.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,737.09 : 5,155.83 = 2,478.75 : x
2. Step 2: Convert to fraction form
   3,737.09/5,155.83 = 2,478.75/x
3. Step 3: Cross multiply
   3,737.09x = 5,155.83 × 2,478.75
4. Step 4: Simplify right side
   3,737.09x = 12,780,013.61
5. Step 5: Solve for x
   x = 12,780,013.61/3,737.09
6. Step 6: Final answer
   x = 3,419.78