Finding the Fourth Proportional to 2,371.86, 3,273.34 and 1,309.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.86 : 3,273.34 = 1,309.84 : x
2. Step 2: Convert to fraction form
   2,371.86/3,273.34 = 1,309.84/x
3. Step 3: Cross multiply
   2,371.86x = 3,273.34 × 1,309.84
4. Step 4: Simplify right side
   2,371.86x = 4,287,551.67
5. Step 5: Solve for x
   x = 4,287,551.67/2,371.86
6. Step 6: Final answer
   x = 1,807.67