Finding the Fourth Proportional to 90,441.87, 124,801.59 and 50,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,441.87 : 124,801.59 = 50,155.50 : x
2. Step 2: Convert to fraction form
   90,441.87/124,801.59 = 50,155.50/x
3. Step 3: Cross multiply
   90,441.87x = 124,801.59 × 50,155.50
4. Step 4: Simplify right side
   90,441.87x = 6,259,486,147.25
5. Step 5: Solve for x
   x = 6,259,486,147.25/90,441.87
6. Step 6: Final answer
   x = 69,210.05