Finding the Fourth Proportional to 9,064.82, 12,509.52 and 5,921

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.82 : 12,509.52 = 5,921 : x
2. Step 2: Convert to fraction form
   9,064.82/12,509.52 = 5,921/x
3. Step 3: Cross multiply
   9,064.82x = 12,509.52 × 5,921
4. Step 4: Simplify right side
   9,064.82x = 74,068,867.92
5. Step 5: Solve for x
   x = 74,068,867.92/9,064.82
6. Step 6: Final answer
   x = 8,171.02