Finding the Fourth Proportional to 2,378.16, 3,565.89 and 734.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.16 : 3,565.89 = 734.22 : x
2. Step 2: Convert to fraction form
   2,378.16/3,565.89 = 734.22/x
3. Step 3: Cross multiply
   2,378.16x = 3,565.89 × 734.22
4. Step 4: Simplify right side
   2,378.16x = 2,618,147.76
5. Step 5: Solve for x
   x = 2,618,147.76/2,378.16
6. Step 6: Final answer
   x = 1,100.91