Finding the Fourth Proportional to 132,597, 182,983.86 and 72,981

Step by Step Solution

1. Step 1: Write the proportion equation
   132,597 : 182,983.86 = 72,981 : x
2. Step 2: Convert to fraction form
   132,597/182,983.86 = 72,981/x
3. Step 3: Cross multiply
   132,597x = 182,983.86 × 72,981
4. Step 4: Simplify right side
   132,597x = 13,354,345,086.66
5. Step 5: Solve for x
   x = 13,354,345,086.66/132,597
6. Step 6: Final answer
   x = 100,713.78