Finding the Fourth Proportional to 2,059.80, 3,090.18 and 963.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.80 : 3,090.18 = 963.57 : x
2. Step 2: Convert to fraction form
   2,059.80/3,090.18 = 963.57/x
3. Step 3: Cross multiply
   2,059.80x = 3,090.18 × 963.57
4. Step 4: Simplify right side
   2,059.80x = 2,977,604.74
5. Step 5: Solve for x
   x = 2,977,604.74/2,059.80
6. Step 6: Final answer
   x = 1,445.58