Finding the Fourth Proportional to 2,300.75, 3,449.00 and 838.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.75 : 3,449.00 = 838.88 : x
2. Step 2: Convert to fraction form
   2,300.75/3,449.00 = 838.88/x
3. Step 3: Cross multiply
   2,300.75x = 3,449.00 × 838.88
4. Step 4: Simplify right side
   2,300.75x = 2,893,290.19
5. Step 5: Solve for x
   x = 2,893,290.19/2,300.75
6. Step 6: Final answer
   x = 1,257.54