Finding the Fourth Proportional to 2,069.46, 2,855.82 and 1,137.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.46 : 2,855.82 = 1,137.96 : x
2. Step 2: Convert to fraction form
   2,069.46/2,855.82 = 1,137.96/x
3. Step 3: Cross multiply
   2,069.46x = 2,855.82 × 1,137.96
4. Step 4: Simplify right side
   2,069.46x = 3,249,808.93
5. Step 5: Solve for x
   x = 3,249,808.93/2,069.46
6. Step 6: Final answer
   x = 1,570.37