Finding the Fourth Proportional to 143,559, 215,340.32 and 50,064.75

Step by Step Solution

1. Step 1: Write the proportion equation
   143,559 : 215,340.32 = 50,064.75 : x
2. Step 2: Convert to fraction form
   143,559/215,340.32 = 50,064.75/x
3. Step 3: Cross multiply
   143,559x = 215,340.32 × 50,064.75
4. Step 4: Simplify right side
   143,559x = 10,780,959,410.88
5. Step 5: Solve for x
   x = 10,780,959,410.88/143,559
6. Step 6: Final answer
   x = 75,097.76