Finding the Fourth Proportional to 50,107.48, 69,160.80 and 28,899.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,107.48 : 69,160.80 = 28,899.52 : x
2. Step 2: Convert to fraction form
   50,107.48/69,160.80 = 28,899.52/x
3. Step 3: Cross multiply
   50,107.48x = 69,160.80 × 28,899.52
4. Step 4: Simplify right side
   50,107.48x = 1,998,713,922.82
5. Step 5: Solve for x
   x = 1,998,713,922.82/50,107.48
6. Step 6: Final answer
   x = 39,888.53