Finding the Fourth Proportional to 8,973.72, 12,379.50 and 5,828.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,973.72 : 12,379.50 = 5,828.76 : x
2. Step 2: Convert to fraction form
   8,973.72/12,379.50 = 5,828.76/x
3. Step 3: Cross multiply
   8,973.72x = 12,379.50 × 5,828.76
4. Step 4: Simplify right side
   8,973.72x = 72,157,134.42
5. Step 5: Solve for x
   x = 72,157,134.42/8,973.72
6. Step 6: Final answer
   x = 8,040.94