Finding the Fourth Proportional to 50,710.56, 69,980.52 and 28,354.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,710.56 : 69,980.52 = 28,354.56 : x
2. Step 2: Convert to fraction form
   50,710.56/69,980.52 = 28,354.56/x
3. Step 3: Cross multiply
   50,710.56x = 69,980.52 × 28,354.56
4. Step 4: Simplify right side
   50,710.56x = 1,984,266,853.17
5. Step 5: Solve for x
   x = 1,984,266,853.17/50,710.56
6. Step 6: Final answer
   x = 39,129.26