Finding the Fourth Proportional to 2,377.30, 3,280.15 and 1,492.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.30 : 3,280.15 = 1,492.78 : x
2. Step 2: Convert to fraction form
   2,377.30/3,280.15 = 1,492.78/x
3. Step 3: Cross multiply
   2,377.30x = 3,280.15 × 1,492.78
4. Step 4: Simplify right side
   2,377.30x = 4,896,538.59
5. Step 5: Solve for x
   x = 4,896,538.59/2,377.30
6. Step 6: Final answer
   x = 2,059.71