Finding the Fourth Proportional to 3,967.98, 5,476.38 and 3,303.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.98 : 5,476.38 = 3,303.72 : x
2. Step 2: Convert to fraction form
   3,967.98/5,476.38 = 3,303.72/x
3. Step 3: Cross multiply
   3,967.98x = 5,476.38 × 3,303.72
4. Step 4: Simplify right side
   3,967.98x = 18,092,426.13
5. Step 5: Solve for x
   x = 18,092,426.13/3,967.98
6. Step 6: Final answer
   x = 4,559.61