Finding the Fourth Proportional to 3,100.32, 4,279.68 and 2,354.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.32 : 4,279.68 = 2,354.40 : x
2. Step 2: Convert to fraction form
   3,100.32/4,279.68 = 2,354.40/x
3. Step 3: Cross multiply
   3,100.32x = 4,279.68 × 2,354.40
4. Step 4: Simplify right side
   3,100.32x = 10,076,078.59
5. Step 5: Solve for x
   x = 10,076,078.59/3,100.32
6. Step 6: Final answer
   x = 3,250.01