Finding the Fourth Proportional to 50,139.10, 69,120.34 and 35,774.39

Step by Step Solution

1. Step 1: Write the proportion equation
   50,139.10 : 69,120.34 = 35,774.39 : x
2. Step 2: Convert to fraction form
   50,139.10/69,120.34 = 35,774.39/x
3. Step 3: Cross multiply
   50,139.10x = 69,120.34 × 35,774.39
4. Step 4: Simplify right side
   50,139.10x = 2,472,738,083.46
5. Step 5: Solve for x
   x = 2,472,738,083.46/50,139.10
6. Step 6: Final answer
   x = 49,317.56