Finding the Fourth Proportional to 3,736.16, 5,155.76 and 2,080.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.16 : 5,155.76 = 2,080.16 : x
2. Step 2: Convert to fraction form
   3,736.16/5,155.76 = 2,080.16/x
3. Step 3: Cross multiply
   3,736.16x = 5,155.76 × 2,080.16
4. Step 4: Simplify right side
   3,736.16x = 10,724,805.72
5. Step 5: Solve for x
   x = 10,724,805.72/3,736.16
6. Step 6: Final answer
   x = 2,870.54