Finding the Fourth Proportional to 132,300.32, 198,477.78 and 43,559.12

Step by Step Solution

1. Step 1: Write the proportion equation
   132,300.32 : 198,477.78 = 43,559.12 : x
2. Step 2: Convert to fraction form
   132,300.32/198,477.78 = 43,559.12/x
3. Step 3: Cross multiply
   132,300.32x = 198,477.78 × 43,559.12
4. Step 4: Simplify right side
   132,300.32x = 8,645,517,436.35
5. Step 5: Solve for x
   x = 8,645,517,436.35/132,300.32
6. Step 6: Final answer
   x = 65,347.67