Finding the Fourth Proportional to 1,593.33, 2,390.72 and 862.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.33 : 2,390.72 = 862.89 : x
2. Step 2: Convert to fraction form
   1,593.33/2,390.72 = 862.89/x
3. Step 3: Cross multiply
   1,593.33x = 2,390.72 × 862.89
4. Step 4: Simplify right side
   1,593.33x = 2,062,928.38
5. Step 5: Solve for x
   x = 2,062,928.38/1,593.33
6. Step 6: Final answer
   x = 1,294.73