Finding the Fourth Proportional to 2,373.48, 3,275.34 and 1,311.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.48 : 3,275.34 = 1,311.24 : x
2. Step 2: Convert to fraction form
   2,373.48/3,275.34 = 1,311.24/x
3. Step 3: Cross multiply
   2,373.48x = 3,275.34 × 1,311.24
4. Step 4: Simplify right side
   2,373.48x = 4,294,756.82
5. Step 5: Solve for x
   x = 4,294,756.82/2,373.48
6. Step 6: Final answer
   x = 1,809.48