Finding the Fourth Proportional to 2,372.02, 3,273.33 and 1,309.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.02 : 3,273.33 = 1,309.87 : x
2. Step 2: Convert to fraction form
   2,372.02/3,273.33 = 1,309.87/x
3. Step 3: Cross multiply
   2,372.02x = 3,273.33 × 1,309.87
4. Step 4: Simplify right side
   2,372.02x = 4,287,638.40
5. Step 5: Solve for x
   x = 4,287,638.40/2,372.02
6. Step 6: Final answer
   x = 1,807.59