Finding the Fourth Proportional to 133,073.10, 199,632.69 and 54,230.22

Step by Step Solution

1. Step 1: Write the proportion equation
   133,073.10 : 199,632.69 = 54,230.22 : x
2. Step 2: Convert to fraction form
   133,073.10/199,632.69 = 54,230.22/x
3. Step 3: Cross multiply
   133,073.10x = 199,632.69 × 54,230.22
4. Step 4: Simplify right side
   133,073.10x = 10,826,124,697.89
5. Step 5: Solve for x
   x = 10,826,124,697.89/133,073.10
6. Step 6: Final answer
   x = 81,354.72