Finding the Fourth Proportional to 2,372.10, 3,273.56 and 1,309.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.10 : 3,273.56 = 1,309.92 : x
2. Step 2: Convert to fraction form
   2,372.10/3,273.56 = 1,309.92/x
3. Step 3: Cross multiply
   2,372.10x = 3,273.56 × 1,309.92
4. Step 4: Simplify right side
   2,372.10x = 4,288,101.72
5. Step 5: Solve for x
   x = 4,288,101.72/2,372.10
6. Step 6: Final answer
   x = 1,807.72