Finding the Fourth Proportional to 7,123.46, 10,687.62 and 3,836.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.46 : 10,687.62 = 3,836.89 : x
2. Step 2: Convert to fraction form
   7,123.46/10,687.62 = 3,836.89/x
3. Step 3: Cross multiply
   7,123.46x = 10,687.62 × 3,836.89
4. Step 4: Simplify right side
   7,123.46x = 41,007,168.86
5. Step 5: Solve for x
   x = 41,007,168.86/7,123.46
6. Step 6: Final answer
   x = 5,756.64