Finding the Fourth Proportional to 3,685.98, 5,086.72 and 2,114.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.98 : 5,086.72 = 2,114.08 : x
2. Step 2: Convert to fraction form
   3,685.98/5,086.72 = 2,114.08/x
3. Step 3: Cross multiply
   3,685.98x = 5,086.72 × 2,114.08
4. Step 4: Simplify right side
   3,685.98x = 10,753,733.02
5. Step 5: Solve for x
   x = 10,753,733.02/3,685.98
6. Step 6: Final answer
   x = 2,917.47