Finding the Fourth Proportional to 22,428.76, 33,623.04 and 9,272.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,428.76 : 33,623.04 = 9,272.72 : x
2. Step 2: Convert to fraction form
   22,428.76/33,623.04 = 9,272.72/x
3. Step 3: Cross multiply
   22,428.76x = 33,623.04 × 9,272.72
4. Step 4: Simplify right side
   22,428.76x = 311,777,035.47
5. Step 5: Solve for x
   x = 311,777,035.47/22,428.76
6. Step 6: Final answer
   x = 13,900.77