Finding the Fourth Proportional to 6,870.14, 9,480.84 and 3,726.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.14 : 9,480.84 = 3,726.38 : x
2. Step 2: Convert to fraction form
   6,870.14/9,480.84 = 3,726.38/x
3. Step 3: Cross multiply
   6,870.14x = 9,480.84 × 3,726.38
4. Step 4: Simplify right side
   6,870.14x = 35,329,212.56
5. Step 5: Solve for x
   x = 35,329,212.56/6,870.14
6. Step 6: Final answer
   x = 5,142.43