Finding the Fourth Proportional to 143,498.96, 215,249.72 and 50,004.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,498.96 : 215,249.72 = 50,004.56 : x
2. Step 2: Convert to fraction form
   143,498.96/215,249.72 = 50,004.56/x
3. Step 3: Cross multiply
   143,498.96x = 215,249.72 × 50,004.56
4. Step 4: Simplify right side
   143,498.96x = 10,763,467,538.72
5. Step 5: Solve for x
   x = 10,763,467,538.72/143,498.96
6. Step 6: Final answer
   x = 75,007.29