Finding the Fourth Proportional to 50,040.75, 69,056.25 and 31,177.89

Step by Step Solution

1. Step 1: Write the proportion equation
   50,040.75 : 69,056.25 = 31,177.89 : x
2. Step 2: Convert to fraction form
   50,040.75/69,056.25 = 31,177.89/x
3. Step 3: Cross multiply
   50,040.75x = 69,056.25 × 31,177.89
4. Step 4: Simplify right side
   50,040.75x = 2,153,028,166.31
5. Step 5: Solve for x
   x = 2,153,028,166.31/50,040.75
6. Step 6: Final answer
   x = 43,025.50