Finding the Fourth Proportional to 164,319.32, 226,761.59 and 91,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,319.32 : 226,761.59 = 91,725.50 : x
2. Step 2: Convert to fraction form
   164,319.32/226,761.59 = 91,725.50/x
3. Step 3: Cross multiply
   164,319.32x = 226,761.59 × 91,725.50
4. Step 4: Simplify right side
   164,319.32x = 20,799,821,019.76
5. Step 5: Solve for x
   x = 20,799,821,019.76/164,319.32
6. Step 6: Final answer
   x = 126,581.71