Finding the Fourth Proportional to 2,034.59, 2,808.13 and 1,289.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.59 : 2,808.13 = 1,289.42 : x
2. Step 2: Convert to fraction form
   2,034.59/2,808.13 = 1,289.42/x
3. Step 3: Cross multiply
   2,034.59x = 2,808.13 × 1,289.42
4. Step 4: Simplify right side
   2,034.59x = 3,620,856.48
5. Step 5: Solve for x
   x = 3,620,856.48/2,034.59
6. Step 6: Final answer
   x = 1,779.65