Finding the Fourth Proportional to 132,445.95, 182,772.83 and 72,016.07

Step by Step Solution

1. Step 1: Write the proportion equation
   132,445.95 : 182,772.83 = 72,016.07 : x
2. Step 2: Convert to fraction form
   132,445.95/182,772.83 = 72,016.07/x
3. Step 3: Cross multiply
   132,445.95x = 182,772.83 × 72,016.07
4. Step 4: Simplify right side
   132,445.95x = 13,162,579,645.43
5. Step 5: Solve for x
   x = 13,162,579,645.43/132,445.95
6. Step 6: Final answer
   x = 99,380.76