Finding the Fourth Proportional to 2,376.18, 3,280.23 and 1,381.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.18 : 3,280.23 = 1,381.10 : x
2. Step 2: Convert to fraction form
   2,376.18/3,280.23 = 1,381.10/x
3. Step 3: Cross multiply
   2,376.18x = 3,280.23 × 1,381.10
4. Step 4: Simplify right side
   2,376.18x = 4,530,309.25
5. Step 5: Solve for x
   x = 4,530,309.25/2,376.18
6. Step 6: Final answer
   x = 1,906.55