Finding the Fourth Proportional to 132,784.92, 183,239.82 and 72,357.12

Step by Step Solution

1. Step 1: Write the proportion equation
   132,784.92 : 183,239.82 = 72,357.12 : x
2. Step 2: Convert to fraction form
   132,784.92/183,239.82 = 72,357.12/x
3. Step 3: Cross multiply
   132,784.92x = 183,239.82 × 72,357.12
4. Step 4: Simplify right side
   132,784.92x = 13,258,705,644.52
5. Step 5: Solve for x
   x = 13,258,705,644.52/132,784.92
6. Step 6: Final answer
   x = 99,850.99