Finding the Fourth Proportional to 8,933.12, 13,394.72 and 3,666.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,933.12 : 13,394.72 = 3,666.72 : x
2. Step 2: Convert to fraction form
   8,933.12/13,394.72 = 3,666.72/x
3. Step 3: Cross multiply
   8,933.12x = 13,394.72 × 3,666.72
4. Step 4: Simplify right side
   8,933.12x = 49,114,687.72
5. Step 5: Solve for x
   x = 49,114,687.72/8,933.12
6. Step 6: Final answer
   x = 5,498.04