Finding the Fourth Proportional to 2,633.76, 3,932.78 and 2,356.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.76 : 3,932.78 = 2,356.74 : x
2. Step 2: Convert to fraction form
   2,633.76/3,932.78 = 2,356.74/x
3. Step 3: Cross multiply
   2,633.76x = 3,932.78 × 2,356.74
4. Step 4: Simplify right side
   2,633.76x = 9,268,528.15
5. Step 5: Solve for x
   x = 9,268,528.15/2,633.76
6. Step 6: Final answer
   x = 3,519.12