Finding the Fourth Proportional to 2,020.30, 2,788.12 and 1,124.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.30 : 2,788.12 = 1,124.06 : x
2. Step 2: Convert to fraction form
   2,020.30/2,788.12 = 1,124.06/x
3. Step 3: Cross multiply
   2,020.30x = 2,788.12 × 1,124.06
4. Step 4: Simplify right side
   2,020.30x = 3,134,014.17
5. Step 5: Solve for x
   x = 3,134,014.17/2,020.30
6. Step 6: Final answer
   x = 1,551.26