Finding the Fourth Proportional to 2,252.72, 3,379.42 and 1,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,252.72 : 3,379.42 = 1,020.10 : x
2. Step 2: Convert to fraction form
   2,252.72/3,379.42 = 1,020.10/x
3. Step 3: Cross multiply
   2,252.72x = 3,379.42 × 1,020.10
4. Step 4: Simplify right side
   2,252.72x = 3,447,346.34
5. Step 5: Solve for x
   x = 3,447,346.34/2,252.72
6. Step 6: Final answer
   x = 1,530.30