Finding the Fourth Proportional to 50,089.76, 69,123.76 and 28,868.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,089.76 : 69,123.76 = 28,868.88 : x
2. Step 2: Convert to fraction form
   50,089.76/69,123.76 = 28,868.88/x
3. Step 3: Cross multiply
   50,089.76x = 69,123.76 × 28,868.88
4. Step 4: Simplify right side
   50,089.76x = 1,995,525,532.59
5. Step 5: Solve for x
   x = 1,995,525,532.59/50,089.76
6. Step 6: Final answer
   x = 39,838.99