Finding the Fourth Proportional to 2,672.92, 3,688.50 and 1,477.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.92 : 3,688.50 = 1,477.90 : x
2. Step 2: Convert to fraction form
   2,672.92/3,688.50 = 1,477.90/x
3. Step 3: Cross multiply
   2,672.92x = 3,688.50 × 1,477.90
4. Step 4: Simplify right side
   2,672.92x = 5,451,234.15
5. Step 5: Solve for x
   x = 5,451,234.15/2,672.92
6. Step 6: Final answer
   x = 2,039.43