Finding the Fourth Proportional to 1,595.59, 2,394.29 and 865.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.59 : 2,394.29 = 865.22 : x
2. Step 2: Convert to fraction form
   1,595.59/2,394.29 = 865.22/x
3. Step 3: Cross multiply
   1,595.59x = 2,394.29 × 865.22
4. Step 4: Simplify right side
   1,595.59x = 2,071,587.59
5. Step 5: Solve for x
   x = 2,071,587.59/1,595.59
6. Step 6: Final answer
   x = 1,298.32