Finding the Fourth Proportional to 3,842.74, 5,302.72 and 2,270.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.74 : 5,302.72 = 2,270.53 : x
2. Step 2: Convert to fraction form
   3,842.74/5,302.72 = 2,270.53/x
3. Step 3: Cross multiply
   3,842.74x = 5,302.72 × 2,270.53
4. Step 4: Simplify right side
   3,842.74x = 12,039,981.54
5. Step 5: Solve for x
   x = 12,039,981.54/3,842.74
6. Step 6: Final answer
   x = 3,133.18