Finding the Fourth Proportional to 131,915, 182,054.22 and 72,310.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,915 : 182,054.22 = 72,310.52 : x
2. Step 2: Convert to fraction form
   131,915/182,054.22 = 72,310.52/x
3. Step 3: Cross multiply
   131,915x = 182,054.22 × 72,310.52
4. Step 4: Simplify right side
   131,915x = 13,164,435,316.39
5. Step 5: Solve for x
   x = 13,164,435,316.39/131,915
6. Step 6: Final answer
   x = 99,794.83