Finding the Fourth Proportional to 33,043.68, 49,572.72 and 13,322.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,043.68 : 49,572.72 = 13,322.88 : x
2. Step 2: Convert to fraction form
   33,043.68/49,572.72 = 13,322.88/x
3. Step 3: Cross multiply
   33,043.68x = 49,572.72 × 13,322.88
4. Step 4: Simplify right side
   33,043.68x = 660,451,399.83
5. Step 5: Solve for x
   x = 660,451,399.83/33,043.68
6. Step 6: Final answer
   x = 19,987.22