Finding the Fourth Proportional to 3,769.12, 5,200.71 and 2,276.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,769.12 : 5,200.71 = 2,276.03 : x
2. Step 2: Convert to fraction form
   3,769.12/5,200.71 = 2,276.03/x
3. Step 3: Cross multiply
   3,769.12x = 5,200.71 × 2,276.03
4. Step 4: Simplify right side
   3,769.12x = 11,836,980.72
5. Step 5: Solve for x
   x = 11,836,980.72/3,769.12
6. Step 6: Final answer
   x = 3,140.52