Finding the Fourth Proportional to 2,059.02, 3,089.34 and 1,020.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.02 : 3,089.34 = 1,020.60 : x
2. Step 2: Convert to fraction form
   2,059.02/3,089.34 = 1,020.60/x
3. Step 3: Cross multiply
   2,059.02x = 3,089.34 × 1,020.60
4. Step 4: Simplify right side
   2,059.02x = 3,152,980.40
5. Step 5: Solve for x
   x = 3,152,980.40/2,059.02
6. Step 6: Final answer
   x = 1,531.30