Finding the Fourth Proportional to 132,945.75, 199,418.52 and 39,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,945.75 : 199,418.52 = 39,451.50 : x
2. Step 2: Convert to fraction form
   132,945.75/199,418.52 = 39,451.50/x
3. Step 3: Cross multiply
   132,945.75x = 199,418.52 × 39,451.50
4. Step 4: Simplify right side
   132,945.75x = 7,867,359,741.78
5. Step 5: Solve for x
   x = 7,867,359,741.78/132,945.75
6. Step 6: Final answer
   x = 59,177.22