Finding the Fourth Proportional to 3,976.51, 5,487.83 and 2,298.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.51 : 5,487.83 = 2,298.22 : x
2. Step 2: Convert to fraction form
   3,976.51/5,487.83 = 2,298.22/x
3. Step 3: Cross multiply
   3,976.51x = 5,487.83 × 2,298.22
4. Step 4: Simplify right side
   3,976.51x = 12,612,240.66
5. Step 5: Solve for x
   x = 12,612,240.66/3,976.51
6. Step 6: Final answer
   x = 3,171.69