Finding the Fourth Proportional to 131,923, 182,053.74 and 72,305.72

Step by Step Solution

1. Step 1: Write the proportion equation
   131,923 : 182,053.74 = 72,305.72 : x
2. Step 2: Convert to fraction form
   131,923/182,053.74 = 72,305.72/x
3. Step 3: Cross multiply
   131,923x = 182,053.74 × 72,305.72
4. Step 4: Simplify right side
   131,923x = 13,163,526,749.39
5. Step 5: Solve for x
   x = 13,163,526,749.39/131,923
6. Step 6: Final answer
   x = 99,781.89