Finding the Fourth Proportional to 55,932.38, 77,185.41 and 30,438.83

Step by Step Solution

1. Step 1: Write the proportion equation
   55,932.38 : 77,185.41 = 30,438.83 : x
2. Step 2: Convert to fraction form
   55,932.38/77,185.41 = 30,438.83/x
3. Step 3: Cross multiply
   55,932.38x = 77,185.41 × 30,438.83
4. Step 4: Simplify right side
   55,932.38x = 2,349,433,187.54
5. Step 5: Solve for x
   x = 2,349,433,187.54/55,932.38
6. Step 6: Final answer
   x = 42,004.89