Finding the Fourth Proportional to 3,933.28, 5,923.33 and 3,547.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933.28 : 5,923.33 = 3,547.72 : x
2. Step 2: Convert to fraction form
   3,933.28/5,923.33 = 3,547.72/x
3. Step 3: Cross multiply
   3,933.28x = 5,923.33 × 3,547.72
4. Step 4: Simplify right side
   3,933.28x = 21,014,316.31
5. Step 5: Solve for x
   x = 21,014,316.31/3,933.28
6. Step 6: Final answer
   x = 5,342.70