Finding the Fourth Proportional to 1,595.34, 2,388.06 and 863.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.34 : 2,388.06 = 863.10 : x
2. Step 2: Convert to fraction form
   1,595.34/2,388.06 = 863.10/x
3. Step 3: Cross multiply
   1,595.34x = 2,388.06 × 863.10
4. Step 4: Simplify right side
   1,595.34x = 2,061,134.59
5. Step 5: Solve for x
   x = 2,061,134.59/1,595.34
6. Step 6: Final answer
   x = 1,291.97