Finding the Fourth Proportional to 50,689.32, 69,945.15 and 28,025.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,689.32 : 69,945.15 = 28,025.25 : x
2. Step 2: Convert to fraction form
   50,689.32/69,945.15 = 28,025.25/x
3. Step 3: Cross multiply
   50,689.32x = 69,945.15 × 28,025.25
4. Step 4: Simplify right side
   50,689.32x = 1,960,229,965.31
5. Step 5: Solve for x
   x = 1,960,229,965.31/50,689.32
6. Step 6: Final answer
   x = 38,671.46