Finding the Fourth Proportional to 2,648.32, 3,655.71 and 1,766.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.32 : 3,655.71 = 1,766.69 : x
2. Step 2: Convert to fraction form
   2,648.32/3,655.71 = 1,766.69/x
3. Step 3: Cross multiply
   2,648.32x = 3,655.71 × 1,766.69
4. Step 4: Simplify right side
   2,648.32x = 6,458,486.48
5. Step 5: Solve for x
   x = 6,458,486.48/2,648.32
6. Step 6: Final answer
   x = 2,438.71