Finding the Fourth Proportional to 8,933.10, 12,321.25 and 5,904.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,933.10 : 12,321.25 = 5,904.71 : x
2. Step 2: Convert to fraction form
   8,933.10/12,321.25 = 5,904.71/x
3. Step 3: Cross multiply
   8,933.10x = 12,321.25 × 5,904.71
4. Step 4: Simplify right side
   8,933.10x = 72,753,331.72
5. Step 5: Solve for x
   x = 72,753,331.72/8,933.10
6. Step 6: Final answer
   x = 8,144.24