Finding the Fourth Proportional to 2,868.88, 3,956.52 and 2,426.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.88 : 3,956.52 = 2,426.32 : x
2. Step 2: Convert to fraction form
   2,868.88/3,956.52 = 2,426.32/x
3. Step 3: Cross multiply
   2,868.88x = 3,956.52 × 2,426.32
4. Step 4: Simplify right side
   2,868.88x = 9,599,783.61
5. Step 5: Solve for x
   x = 9,599,783.61/2,868.88
6. Step 6: Final answer
   x = 3,346.18