Finding the Fourth Proportional to 2,250.03, 3,374.81 and 690.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.03 : 3,374.81 = 690.05 : x
2. Step 2: Convert to fraction form
   2,250.03/3,374.81 = 690.05/x
3. Step 3: Cross multiply
   2,250.03x = 3,374.81 × 690.05
4. Step 4: Simplify right side
   2,250.03x = 2,328,767.32
5. Step 5: Solve for x
   x = 2,328,767.32/2,250.03
6. Step 6: Final answer
   x = 1,034.99