Finding the Fourth Proportional to 50,228.48, 69,315.88 and 31,376.56

Step by Step Solution

1. Step 1: Write the proportion equation
   50,228.48 : 69,315.88 = 31,376.56 : x
2. Step 2: Convert to fraction form
   50,228.48/69,315.88 = 31,376.56/x
3. Step 3: Cross multiply
   50,228.48x = 69,315.88 × 31,376.56
4. Step 4: Simplify right side
   50,228.48x = 2,174,893,867.77
5. Step 5: Solve for x
   x = 2,174,893,867.77/50,228.48
6. Step 6: Final answer
   x = 43,300.01