Finding the Fourth Proportional to 50,502.56, 69,720.30 and 39,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,502.56 : 69,720.30 = 39,146.56 : x
2. Step 2: Convert to fraction form
   50,502.56/69,720.30 = 39,146.56/x
3. Step 3: Cross multiply
   50,502.56x = 69,720.30 × 39,146.56
4. Step 4: Simplify right side
   50,502.56x = 2,729,309,907.17
5. Step 5: Solve for x
   x = 2,729,309,907.17/50,502.56
6. Step 6: Final answer
   x = 54,043.00