Finding the Fourth Proportional to 3,641.72, 5,025.14 and 2,069.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,641.72 : 5,025.14 = 2,069.80 : x
2. Step 2: Convert to fraction form
   3,641.72/5,025.14 = 2,069.80/x
3. Step 3: Cross multiply
   3,641.72x = 5,025.14 × 2,069.80
4. Step 4: Simplify right side
   3,641.72x = 10,401,034.77
5. Step 5: Solve for x
   x = 10,401,034.77/3,641.72
6. Step 6: Final answer
   x = 2,856.08