Finding the Fourth Proportional to 50,155.40, 69,221.82 and 28,930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   50,155.40 : 69,221.82 = 28,930.52 : x
2. Step 2: Convert to fraction form
   50,155.40/69,221.82 = 28,930.52/x
3. Step 3: Cross multiply
   50,155.40x = 69,221.82 × 28,930.52
4. Step 4: Simplify right side
   50,155.40x = 2,002,623,247.95
5. Step 5: Solve for x
   x = 2,002,623,247.95/50,155.40
6. Step 6: Final answer
   x = 39,928.37