Finding the Fourth Proportional to 2,100.26, 2,899.70 and 1,304.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.26 : 2,899.70 = 1,304.42 : x
2. Step 2: Convert to fraction form
   2,100.26/2,899.70 = 1,304.42/x
3. Step 3: Cross multiply
   2,100.26x = 2,899.70 × 1,304.42
4. Step 4: Simplify right side
   2,100.26x = 3,782,405.65
5. Step 5: Solve for x
   x = 3,782,405.65/2,100.26
6. Step 6: Final answer
   x = 1,800.93