Finding the Fourth Proportional to 6,857.57, 9,463.42 and 3,713.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,857.57 : 9,463.42 = 3,713.76 : x
2. Step 2: Convert to fraction form
   6,857.57/9,463.42 = 3,713.76/x
3. Step 3: Cross multiply
   6,857.57x = 9,463.42 × 3,713.76
4. Step 4: Simplify right side
   6,857.57x = 35,144,870.66
5. Step 5: Solve for x
   x = 35,144,870.66/6,857.57
6. Step 6: Final answer
   x = 5,124.97