Finding the Fourth Proportional to 10,069.71, 15,105.78 and 2,674.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,069.71 : 15,105.78 = 2,674.35 : x
2. Step 2: Convert to fraction form
   10,069.71/15,105.78 = 2,674.35/x
3. Step 3: Cross multiply
   10,069.71x = 15,105.78 × 2,674.35
4. Step 4: Simplify right side
   10,069.71x = 40,398,142.74
5. Step 5: Solve for x
   x = 40,398,142.74/10,069.71
6. Step 6: Final answer
   x = 4,011.85