Finding the Fourth Proportional to 143,572.50, 215,360.57 and 50,078.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,572.50 : 215,360.57 = 50,078.25 : x
2. Step 2: Convert to fraction form
   143,572.50/215,360.57 = 50,078.25/x
3. Step 3: Cross multiply
   143,572.50x = 215,360.57 × 50,078.25
4. Step 4: Simplify right side
   143,572.50x = 10,784,880,589.80
5. Step 5: Solve for x
   x = 10,784,880,589.80/143,572.50
6. Step 6: Final answer
   x = 75,118.01