Finding the Fourth Proportional to 1,595.30, 2,391.59 and 902.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,595.30 : 2,391.59 = 902.30 : x
2. Step 2: Convert to fraction form
   1,595.30/2,391.59 = 902.30/x
3. Step 3: Cross multiply
   1,595.30x = 2,391.59 × 902.30
4. Step 4: Simplify right side
   1,595.30x = 2,157,915.19
5. Step 5: Solve for x
   x = 2,157,915.19/1,595.30
6. Step 6: Final answer
   x = 1,352.67