Finding the Fourth Proportional to 8,927.31, 12,320.43 and 4,949.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,927.31 : 12,320.43 = 4,949.67 : x
2. Step 2: Convert to fraction form
   8,927.31/12,320.43 = 4,949.67/x
3. Step 3: Cross multiply
   8,927.31x = 12,320.43 × 4,949.67
4. Step 4: Simplify right side
   8,927.31x = 60,982,038.01
5. Step 5: Solve for x
   x = 60,982,038.01/8,927.31
6. Step 6: Final answer
   x = 6,830.95