Finding the Fourth Proportional to 6,870.48, 9,481.29 and 3,726.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.48 : 9,481.29 = 3,726.69 : x
2. Step 2: Convert to fraction form
   6,870.48/9,481.29 = 3,726.69/x
3. Step 3: Cross multiply
   6,870.48x = 9,481.29 × 3,726.69
4. Step 4: Simplify right side
   6,870.48x = 35,333,828.63
5. Step 5: Solve for x
   x = 35,333,828.63/6,870.48
6. Step 6: Final answer
   x = 5,142.85