Finding the Fourth Proportional to 2,363.40, 3,544.05 and 902.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,363.40 : 3,544.05 = 902.07 : x
2. Step 2: Convert to fraction form
   2,363.40/3,544.05 = 902.07/x
3. Step 3: Cross multiply
   2,363.40x = 3,544.05 × 902.07
4. Step 4: Simplify right side
   2,363.40x = 3,196,981.18
5. Step 5: Solve for x
   x = 3,196,981.18/2,363.40
6. Step 6: Final answer
   x = 1,352.70