Finding the Fourth Proportional to 2,238.32, 3,356.96 and 851.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.32 : 3,356.96 = 851.82 : x
2. Step 2: Convert to fraction form
   2,238.32/3,356.96 = 851.82/x
3. Step 3: Cross multiply
   2,238.32x = 3,356.96 × 851.82
4. Step 4: Simplify right side
   2,238.32x = 2,859,525.67
5. Step 5: Solve for x
   x = 2,859,525.67/2,238.32
6. Step 6: Final answer
   x = 1,277.53