Finding the Fourth Proportional to 132,445.53, 182,775.69 and 72,016.83

Step by Step Solution

1. Step 1: Write the proportion equation
   132,445.53 : 182,775.69 = 72,016.83 : x
2. Step 2: Convert to fraction form
   132,445.53/182,775.69 = 72,016.83/x
3. Step 3: Cross multiply
   132,445.53x = 182,775.69 × 72,016.83
4. Step 4: Simplify right side
   132,445.53x = 13,162,925,794.86
5. Step 5: Solve for x
   x = 13,162,925,794.86/132,445.53
6. Step 6: Final answer
   x = 99,383.69