Finding the Fourth Proportional to 9,929.72, 14,892.12 and 3,355.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,929.72 : 14,892.12 = 3,355.76 : x
2. Step 2: Convert to fraction form
   9,929.72/14,892.12 = 3,355.76/x
3. Step 3: Cross multiply
   9,929.72x = 14,892.12 × 3,355.76
4. Step 4: Simplify right side
   9,929.72x = 49,974,380.61
5. Step 5: Solve for x
   x = 49,974,380.61/9,929.72
6. Step 6: Final answer
   x = 5,032.81