Finding the Fourth Proportional to 2,059.55, 3,088.31 and 1,019.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.55 : 3,088.31 = 1,019.21 : x
2. Step 2: Convert to fraction form
   2,059.55/3,088.31 = 1,019.21/x
3. Step 3: Cross multiply
   2,059.55x = 3,088.31 × 1,019.21
4. Step 4: Simplify right side
   2,059.55x = 3,147,636.44
5. Step 5: Solve for x
   x = 3,147,636.44/2,059.55
6. Step 6: Final answer
   x = 1,528.32