Finding the Fourth Proportional to 2,290.02, 3,435.84 and 902.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.02 : 3,435.84 = 902.59 : x
2. Step 2: Convert to fraction form
   2,290.02/3,435.84 = 902.59/x
3. Step 3: Cross multiply
   2,290.02x = 3,435.84 × 902.59
4. Step 4: Simplify right side
   2,290.02x = 3,101,154.83
5. Step 5: Solve for x
   x = 3,101,154.83/2,290.02
6. Step 6: Final answer
   x = 1,354.20