Finding the Fourth Proportional to 3,706.27, 5,113.94 and 2,112.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.27 : 5,113.94 = 2,112.89 : x
2. Step 2: Convert to fraction form
   3,706.27/5,113.94 = 2,112.89/x
3. Step 3: Cross multiply
   3,706.27x = 5,113.94 × 2,112.89
4. Step 4: Simplify right side
   3,706.27x = 10,805,156.55
5. Step 5: Solve for x
   x = 10,805,156.55/3,706.27
6. Step 6: Final answer
   x = 2,915.38