Finding the Fourth Proportional to 2,877.52, 3,968.76 and 2,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.52 : 3,968.76 = 2,434.72 : x
2. Step 2: Convert to fraction form
   2,877.52/3,968.76 = 2,434.72/x
3. Step 3: Cross multiply
   2,877.52x = 3,968.76 × 2,434.72
4. Step 4: Simplify right side
   2,877.52x = 9,662,819.35
5. Step 5: Solve for x
   x = 9,662,819.35/2,877.52
6. Step 6: Final answer
   x = 3,358.04