Finding the Fourth Proportional to 2,372.01, 3,273.31 and 1,309.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.01 : 3,273.31 = 1,309.76 : x
2. Step 2: Convert to fraction form
   2,372.01/3,273.31 = 1,309.76/x
3. Step 3: Cross multiply
   2,372.01x = 3,273.31 × 1,309.76
4. Step 4: Simplify right side
   2,372.01x = 4,287,244.37
5. Step 5: Solve for x
   x = 4,287,244.37/2,372.01
6. Step 6: Final answer
   x = 1,807.43