Finding the Fourth Proportional to 2,377.37, 3,280.21 and 1,432.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.37 : 3,280.21 = 1,432.91 : x
2. Step 2: Convert to fraction form
   2,377.37/3,280.21 = 1,432.91/x
3. Step 3: Cross multiply
   2,377.37x = 3,280.21 × 1,432.91
4. Step 4: Simplify right side
   2,377.37x = 4,700,225.73
5. Step 5: Solve for x
   x = 4,700,225.73/2,377.37
6. Step 6: Final answer
   x = 1,977.07