Finding the Fourth Proportional to 2,059.48, 3,090.15 and 1,020.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.48 : 3,090.15 = 1,020.52 : x
2. Step 2: Convert to fraction form
   2,059.48/3,090.15 = 1,020.52/x
3. Step 3: Cross multiply
   2,059.48x = 3,090.15 × 1,020.52
4. Step 4: Simplify right side
   2,059.48x = 3,153,559.88
5. Step 5: Solve for x
   x = 3,153,559.88/2,059.48
6. Step 6: Final answer
   x = 1,531.24