Finding the Fourth Proportional to 1,648.82, 2,275.37 and 902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.82 : 2,275.37 = 902.82 : x
2. Step 2: Convert to fraction form
   1,648.82/2,275.37 = 902.82/x
3. Step 3: Cross multiply
   1,648.82x = 2,275.37 × 902.82
4. Step 4: Simplify right side
   1,648.82x = 2,054,250.99
5. Step 5: Solve for x
   x = 2,054,250.99/1,648.82
6. Step 6: Final answer
   x = 1,245.89