Finding the Fourth Proportional to 1,589.33, 2,380.23 and 807.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589.33 : 2,380.23 = 807.39 : x
2. Step 2: Convert to fraction form
   1,589.33/2,380.23 = 807.39/x
3. Step 3: Cross multiply
   1,589.33x = 2,380.23 × 807.39
4. Step 4: Simplify right side
   1,589.33x = 1,921,773.90
5. Step 5: Solve for x
   x = 1,921,773.90/1,589.33
6. Step 6: Final answer
   x = 1,209.17