Finding the Fourth Proportional to 2,430.83, 3,648.01 and 970.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.83 : 3,648.01 = 970.40 : x
2. Step 2: Convert to fraction form
   2,430.83/3,648.01 = 970.40/x
3. Step 3: Cross multiply
   2,430.83x = 3,648.01 × 970.40
4. Step 4: Simplify right side
   2,430.83x = 3,540,028.90
5. Step 5: Solve for x
   x = 3,540,028.90/2,430.83
6. Step 6: Final answer
   x = 1,456.30