Finding the Fourth Proportional to 2,435.20, 3,650.28 and 1,047.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.20 : 3,650.28 = 1,047.40 : x
2. Step 2: Convert to fraction form
   2,435.20/3,650.28 = 1,047.40/x
3. Step 3: Cross multiply
   2,435.20x = 3,650.28 × 1,047.40
4. Step 4: Simplify right side
   2,435.20x = 3,823,303.27
5. Step 5: Solve for x
   x = 3,823,303.27/2,435.20
6. Step 6: Final answer
   x = 1,570.02