Finding the Fourth Proportional to 143,598.80, 215,399.48 and 50,104.40

Step by Step Solution

1. Step 1: Write the proportion equation
   143,598.80 : 215,399.48 = 50,104.40 : x
2. Step 2: Convert to fraction form
   143,598.80/215,399.48 = 50,104.40/x
3. Step 3: Cross multiply
   143,598.80x = 215,399.48 × 50,104.40
4. Step 4: Simplify right side
   143,598.80x = 10,792,461,705.71
5. Step 5: Solve for x
   x = 10,792,461,705.71/143,598.80
6. Step 6: Final answer
   x = 75,157.05