Finding the Fourth Proportional to 2,020.30, 3,032.37 and 1,047.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.30 : 3,032.37 = 1,047.10 : x
2. Step 2: Convert to fraction form
   2,020.30/3,032.37 = 1,047.10/x
3. Step 3: Cross multiply
   2,020.30x = 3,032.37 × 1,047.10
4. Step 4: Simplify right side
   2,020.30x = 3,175,194.63
5. Step 5: Solve for x
   x = 3,175,194.63/2,020.30
6. Step 6: Final answer
   x = 1,571.65