Finding the Fourth Proportional to 55,814.72, 77,022.24 and 30,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,814.72 : 77,022.24 = 30,662.72 : x
2. Step 2: Convert to fraction form
   55,814.72/77,022.24 = 30,662.72/x
3. Step 3: Cross multiply
   55,814.72x = 77,022.24 × 30,662.72
4. Step 4: Simplify right side
   55,814.72x = 2,361,711,378.89
5. Step 5: Solve for x
   x = 2,361,711,378.89/55,814.72
6. Step 6: Final answer
   x = 42,313.41