Finding the Fourth Proportional to 2,250.69, 3,106.30 and 1,306.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.69 : 3,106.30 = 1,306.48 : x
2. Step 2: Convert to fraction form
   2,250.69/3,106.30 = 1,306.48/x
3. Step 3: Cross multiply
   2,250.69x = 3,106.30 × 1,306.48
4. Step 4: Simplify right side
   2,250.69x = 4,058,316.07
5. Step 5: Solve for x
   x = 4,058,316.07/2,250.69
6. Step 6: Final answer
   x = 1,803.15