Finding the Fourth Proportional to 3,727.42, 5,143.82 and 2,112.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.42 : 5,143.82 = 2,112.30 : x
2. Step 2: Convert to fraction form
   3,727.42/5,143.82 = 2,112.30/x
3. Step 3: Cross multiply
   3,727.42x = 5,143.82 × 2,112.30
4. Step 4: Simplify right side
   3,727.42x = 10,865,290.99
5. Step 5: Solve for x
   x = 10,865,290.99/3,727.42
6. Step 6: Final answer
   x = 2,914.96