Finding the Fourth Proportional to 3,964.01, 5,469.86 and 2,285.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.01 : 5,469.86 = 2,285.48 : x
2. Step 2: Convert to fraction form
   3,964.01/5,469.86 = 2,285.48/x
3. Step 3: Cross multiply
   3,964.01x = 5,469.86 × 2,285.48
4. Step 4: Simplify right side
   3,964.01x = 12,501,275.02
5. Step 5: Solve for x
   x = 12,501,275.02/3,964.01
6. Step 6: Final answer
   x = 3,153.70