Finding the Fourth Proportional to 3,865.91, 5,333.65 and 2,354.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,865.91 : 5,333.65 = 2,354.00 : x
2. Step 2: Convert to fraction form
   3,865.91/5,333.65 = 2,354.00/x
3. Step 3: Cross multiply
   3,865.91x = 5,333.65 × 2,354.00
4. Step 4: Simplify right side
   3,865.91x = 12,555,379.55
5. Step 5: Solve for x
   x = 12,555,379.55/3,865.91
6. Step 6: Final answer
   x = 3,247.72