Finding the Fourth Proportional to 6,863.98, 9,472.33 and 3,720.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,863.98 : 9,472.33 = 3,720.16 : x
2. Step 2: Convert to fraction form
   6,863.98/9,472.33 = 3,720.16/x
3. Step 3: Cross multiply
   6,863.98x = 9,472.33 × 3,720.16
4. Step 4: Simplify right side
   6,863.98x = 35,238,583.17
5. Step 5: Solve for x
   x = 35,238,583.17/6,863.98
6. Step 6: Final answer
   x = 5,133.84