Finding the Fourth Proportional to 132,275, 182,539.50 and 72,659

Step by Step Solution

1. Step 1: Write the proportion equation
   132,275 : 182,539.50 = 72,659 : x
2. Step 2: Convert to fraction form
   132,275/182,539.50 = 72,659/x
3. Step 3: Cross multiply
   132,275x = 182,539.50 × 72,659
4. Step 4: Simplify right side
   132,275x = 13,263,137,530.50
5. Step 5: Solve for x
   x = 13,263,137,530.50/132,275
6. Step 6: Final answer
   x = 100,269.42