Finding the Fourth Proportional to 2,298.88, 3,447.72 and 837.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.88 : 3,447.72 = 837.76 : x
2. Step 2: Convert to fraction form
   2,298.88/3,447.72 = 837.76/x
3. Step 3: Cross multiply
   2,298.88x = 3,447.72 × 837.76
4. Step 4: Simplify right side
   2,298.88x = 2,888,361.91
5. Step 5: Solve for x
   x = 2,888,361.91/2,298.88
6. Step 6: Final answer
   x = 1,256.42