Finding the Fourth Proportional to 3,561.74, 4,914.85 and 2,069.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.74 : 4,914.85 = 2,069.72 : x
2. Step 2: Convert to fraction form
   3,561.74/4,914.85 = 2,069.72/x
3. Step 3: Cross multiply
   3,561.74x = 4,914.85 × 2,069.72
4. Step 4: Simplify right side
   3,561.74x = 10,172,363.34
5. Step 5: Solve for x
   x = 10,172,363.34/3,561.74
6. Step 6: Final answer
   x = 2,856.01