Finding the Fourth Proportional to 2,300.16, 3,448.09 and 838.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.16 : 3,448.09 = 838.98 : x
2. Step 2: Convert to fraction form
   2,300.16/3,448.09 = 838.98/x
3. Step 3: Cross multiply
   2,300.16x = 3,448.09 × 838.98
4. Step 4: Simplify right side
   2,300.16x = 2,892,878.55
5. Step 5: Solve for x
   x = 2,892,878.55/2,300.16
6. Step 6: Final answer
   x = 1,257.69