Finding the Fourth Proportional to 55,768.02, 76,958.91 and 30,617.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,768.02 : 76,958.91 = 30,617.34 : x
2. Step 2: Convert to fraction form
   55,768.02/76,958.91 = 30,617.34/x
3. Step 3: Cross multiply
   55,768.02x = 76,958.91 × 30,617.34
4. Step 4: Simplify right side
   55,768.02x = 2,356,277,113.50
5. Step 5: Solve for x
   x = 2,356,277,113.50/55,768.02
6. Step 6: Final answer
   x = 42,251.40