Finding the Fourth Proportional to 2,300.53, 3,451.14 and 839.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.53 : 3,451.14 = 839.34 : x
2. Step 2: Convert to fraction form
   2,300.53/3,451.14 = 839.34/x
3. Step 3: Cross multiply
   2,300.53x = 3,451.14 × 839.34
4. Step 4: Simplify right side
   2,300.53x = 2,896,675.65
5. Step 5: Solve for x
   x = 2,896,675.65/2,300.53
6. Step 6: Final answer
   x = 1,259.14