Finding the Fourth Proportional to 2,200.35, 3,301.55 and 1,378.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.35 : 3,301.55 = 1,378.17 : x
2. Step 2: Convert to fraction form
   2,200.35/3,301.55 = 1,378.17/x
3. Step 3: Cross multiply
   2,200.35x = 3,301.55 × 1,378.17
4. Step 4: Simplify right side
   2,200.35x = 4,550,090.27
5. Step 5: Solve for x
   x = 4,550,090.27/2,200.35
6. Step 6: Final answer
   x = 2,067.89