Finding the Fourth Proportional to 132,139.83, 198,185.07 and 61,059.69

Step by Step Solution

1. Step 1: Write the proportion equation
   132,139.83 : 198,185.07 = 61,059.69 : x
2. Step 2: Convert to fraction form
   132,139.83/198,185.07 = 61,059.69/x
3. Step 3: Cross multiply
   132,139.83x = 198,185.07 × 61,059.69
4. Step 4: Simplify right side
   132,139.83x = 12,101,118,936.83
5. Step 5: Solve for x
   x = 12,101,118,936.83/132,139.83
6. Step 6: Final answer
   x = 91,578.13