Finding the Fourth Proportional to 55,605.59, 76,735.71 and 30,455.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,605.59 : 76,735.71 = 30,455.09 : x
2. Step 2: Convert to fraction form
   55,605.59/76,735.71 = 30,455.09/x
3. Step 3: Cross multiply
   55,605.59x = 76,735.71 × 30,455.09
4. Step 4: Simplify right side
   55,605.59x = 2,336,992,570.59
5. Step 5: Solve for x
   x = 2,336,992,570.59/55,605.59
6. Step 6: Final answer
   x = 42,028.02