Finding the Fourth Proportional to 132,428.55, 182,754.96 and 72,003.27

Step by Step Solution

1. Step 1: Write the proportion equation
   132,428.55 : 182,754.96 = 72,003.27 : x
2. Step 2: Convert to fraction form
   132,428.55/182,754.96 = 72,003.27/x
3. Step 3: Cross multiply
   132,428.55x = 182,754.96 × 72,003.27
4. Step 4: Simplify right side
   132,428.55x = 13,158,954,728.72
5. Step 5: Solve for x
   x = 13,158,954,728.72/132,428.55
6. Step 6: Final answer
   x = 99,366.45