Finding the Fourth Proportional to 50,108.85, 69,156.05 and 28,888.88

Step by Step Solution

1. Step 1: Write the proportion equation
   50,108.85 : 69,156.05 = 28,888.88 : x
2. Step 2: Convert to fraction form
   50,108.85/69,156.05 = 28,888.88/x
3. Step 3: Cross multiply
   50,108.85x = 69,156.05 × 28,888.88
4. Step 4: Simplify right side
   50,108.85x = 1,997,840,339.50
5. Step 5: Solve for x
   x = 1,997,840,339.50/50,108.85
6. Step 6: Final answer
   x = 39,870.01