Finding the Fourth Proportional to 6,891.53, 9,510.03 and 3,747.71

Step by Step Solution

1. Step 1: Write the proportion equation
   6,891.53 : 9,510.03 = 3,747.71 : x
2. Step 2: Convert to fraction form
   6,891.53/9,510.03 = 3,747.71/x
3. Step 3: Cross multiply
   6,891.53x = 9,510.03 × 3,747.71
4. Step 4: Simplify right side
   6,891.53x = 35,640,858.31
5. Step 5: Solve for x
   x = 35,640,858.31/6,891.53
6. Step 6: Final answer
   x = 5,171.69