Finding the Fourth Proportional to 2,270.42, 3,402.78 and 970.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.42 : 3,402.78 = 970.36 : x
2. Step 2: Convert to fraction form
   2,270.42/3,402.78 = 970.36/x
3. Step 3: Cross multiply
   2,270.42x = 3,402.78 × 970.36
4. Step 4: Simplify right side
   2,270.42x = 3,301,921.60
5. Step 5: Solve for x
   x = 3,301,921.60/2,270.42
6. Step 6: Final answer
   x = 1,454.32