Finding the Fourth Proportional to 22,132.99, 33,196.72 and 8,972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,132.99 : 33,196.72 = 8,972.72 : x
2. Step 2: Convert to fraction form
   22,132.99/33,196.72 = 8,972.72/x
3. Step 3: Cross multiply
   22,132.99x = 33,196.72 × 8,972.72
4. Step 4: Simplify right side
   22,132.99x = 297,864,662.63
5. Step 5: Solve for x
   x = 297,864,662.63/22,132.99
6. Step 6: Final answer
   x = 13,457.95