Finding the Fourth Proportional to 1,400.16, 1,932.24 and 902.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.16 : 1,932.24 = 902.82 : x
2. Step 2: Convert to fraction form
   1,400.16/1,932.24 = 902.82/x
3. Step 3: Cross multiply
   1,400.16x = 1,932.24 × 902.82
4. Step 4: Simplify right side
   1,400.16x = 1,744,464.92
5. Step 5: Solve for x
   x = 1,744,464.92/1,400.16
6. Step 6: Final answer
   x = 1,245.90