Finding the Fourth Proportional to 132,969.78, 199,454.12 and 54,083.34

Step by Step Solution

1. Step 1: Write the proportion equation
   132,969.78 : 199,454.12 = 54,083.34 : x
2. Step 2: Convert to fraction form
   132,969.78/199,454.12 = 54,083.34/x
3. Step 3: Cross multiply
   132,969.78x = 199,454.12 × 54,083.34
4. Step 4: Simplify right side
   132,969.78x = 10,787,144,986.36
5. Step 5: Solve for x
   x = 10,787,144,986.36/132,969.78
6. Step 6: Final answer
   x = 81,124.79