Finding the Fourth Proportional to 2,649.92, 3,975.68 and 2,601.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649.92 : 3,975.68 = 2,601.32 : x
2. Step 2: Convert to fraction form
   2,649.92/3,975.68 = 2,601.32/x
3. Step 3: Cross multiply
   2,649.92x = 3,975.68 × 2,601.32
4. Step 4: Simplify right side
   2,649.92x = 10,342,002.52
5. Step 5: Solve for x
   x = 10,342,002.52/2,649.92
6. Step 6: Final answer
   x = 3,902.77