Finding the Fourth Proportional to 1,363.23, 2,045.25 and 902.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.23 : 2,045.25 = 902.34 : x
2. Step 2: Convert to fraction form
   1,363.23/2,045.25 = 902.34/x
3. Step 3: Cross multiply
   1,363.23x = 2,045.25 × 902.34
4. Step 4: Simplify right side
   1,363.23x = 1,845,510.89
5. Step 5: Solve for x
   x = 1,845,510.89/1,363.23
6. Step 6: Final answer
   x = 1,353.78