Finding the Fourth Proportional to 6,891.48, 9,510.06 and 3,747.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,891.48 : 9,510.06 = 3,747.60 : x
2. Step 2: Convert to fraction form
   6,891.48/9,510.06 = 3,747.60/x
3. Step 3: Cross multiply
   6,891.48x = 9,510.06 × 3,747.60
4. Step 4: Simplify right side
   6,891.48x = 35,639,900.86
5. Step 5: Solve for x
   x = 35,639,900.86/6,891.48
6. Step 6: Final answer
   x = 5,171.59