Finding the Fourth Proportional to 133,047.72, 199,454.22 and 54,227.88

Step by Step Solution

1. Step 1: Write the proportion equation
   133,047.72 : 199,454.22 = 54,227.88 : x
2. Step 2: Convert to fraction form
   133,047.72/199,454.22 = 54,227.88/x
3. Step 3: Cross multiply
   133,047.72x = 199,454.22 × 54,227.88
4. Step 4: Simplify right side
   133,047.72x = 10,815,979,507.65
5. Step 5: Solve for x
   x = 10,815,979,507.65/133,047.72
6. Step 6: Final answer
   x = 81,293.99