Finding the Fourth Proportional to 50,947.50, 70,314.03 and 28,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,947.50 : 70,314.03 = 28,591.50 : x
2. Step 2: Convert to fraction form
   50,947.50/70,314.03 = 28,591.50/x
3. Step 3: Cross multiply
   50,947.50x = 70,314.03 × 28,591.50
4. Step 4: Simplify right side
   50,947.50x = 2,010,383,588.75
5. Step 5: Solve for x
   x = 2,010,383,588.75/50,947.50
6. Step 6: Final answer
   x = 39,459.91