Finding the Fourth Proportional to 132,566.32, 182,939.52 and 72,137.56

Step by Step Solution

1. Step 1: Write the proportion equation
   132,566.32 : 182,939.52 = 72,137.56 : x
2. Step 2: Convert to fraction form
   132,566.32/182,939.52 = 72,137.56/x
3. Step 3: Cross multiply
   132,566.32x = 182,939.52 × 72,137.56
4. Step 4: Simplify right side
   132,566.32x = 13,196,810,600.37
5. Step 5: Solve for x
   x = 13,196,810,600.37/132,566.32
6. Step 6: Final answer
   x = 99,548.74