Finding the Fourth Proportional to 55,482.38, 76,565.69 and 30,331.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,482.38 : 76,565.69 = 30,331.88 : x
2. Step 2: Convert to fraction form
   55,482.38/76,565.69 = 30,331.88/x
3. Step 3: Cross multiply
   55,482.38x = 76,565.69 × 30,331.88
4. Step 4: Simplify right side
   55,482.38x = 2,322,380,786.71
5. Step 5: Solve for x
   x = 2,322,380,786.71/55,482.38
6. Step 6: Final answer
   x = 41,857.99