Finding the Fourth Proportional to 28,224, 42,355.49 and 9,756

Step by Step Solution

1. Step 1: Write the proportion equation
   28,224 : 42,355.49 = 9,756 : x
2. Step 2: Convert to fraction form
   28,224/42,355.49 = 9,756/x
3. Step 3: Cross multiply
   28,224x = 42,355.49 × 9,756
4. Step 4: Simplify right side
   28,224x = 413,220,111.66
5. Step 5: Solve for x
   x = 413,220,111.66/28,224
6. Step 6: Final answer
   x = 14,640.74