Finding the Fourth Proportional to 132,441.76, 182,773.52 and 72,012.32

Step by Step Solution

1. Step 1: Write the proportion equation
   132,441.76 : 182,773.52 = 72,012.32 : x
2. Step 2: Convert to fraction form
   132,441.76/182,773.52 = 72,012.32/x
3. Step 3: Cross multiply
   132,441.76x = 182,773.52 × 72,012.32
4. Step 4: Simplify right side
   132,441.76x = 13,161,945,209.77
5. Step 5: Solve for x
   x = 13,161,945,209.77/132,441.76
6. Step 6: Final answer
   x = 99,379.12