Finding the Fourth Proportional to 106,404.30, 159,533.55 and 50,271.30

Step by Step Solution

1. Step 1: Write the proportion equation
   106,404.30 : 159,533.55 = 50,271.30 : x
2. Step 2: Convert to fraction form
   106,404.30/159,533.55 = 50,271.30/x
3. Step 3: Cross multiply
   106,404.30x = 159,533.55 × 50,271.30
4. Step 4: Simplify right side
   106,404.30x = 8,019,958,952.12
5. Step 5: Solve for x
   x = 8,019,958,952.12/106,404.30
6. Step 6: Final answer
   x = 75,372.51