Finding the Fourth Proportional to 2,311.48, 3,470.22 and 1,487.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.48 : 3,470.22 = 1,487.56 : x
2. Step 2: Convert to fraction form
   2,311.48/3,470.22 = 1,487.56/x
3. Step 3: Cross multiply
   2,311.48x = 3,470.22 × 1,487.56
4. Step 4: Simplify right side
   2,311.48x = 5,162,160.46
5. Step 5: Solve for x
   x = 5,162,160.46/2,311.48
6. Step 6: Final answer
   x = 2,233.27