Finding the Fourth Proportional to 132,597.61, 182,979.10 and 72,168.37

Step by Step Solution

1. Step 1: Write the proportion equation
   132,597.61 : 182,979.10 = 72,168.37 : x
2. Step 2: Convert to fraction form
   132,597.61/182,979.10 = 72,168.37/x
3. Step 3: Cross multiply
   132,597.61x = 182,979.10 × 72,168.37
4. Step 4: Simplify right side
   132,597.61x = 13,205,303,023.83
5. Step 5: Solve for x
   x = 13,205,303,023.83/132,597.61
6. Step 6: Final answer
   x = 99,589.30