Finding the Fourth Proportional to 143,524.47, 215,286.50 and 48,764.51

Step by Step Solution

1. Step 1: Write the proportion equation
   143,524.47 : 215,286.50 = 48,764.51 : x
2. Step 2: Convert to fraction form
   143,524.47/215,286.50 = 48,764.51/x
3. Step 3: Cross multiply
   143,524.47x = 215,286.50 × 48,764.51
4. Step 4: Simplify right side
   143,524.47x = 10,498,339,361.86
5. Step 5: Solve for x
   x = 10,498,339,361.86/143,524.47
6. Step 6: Final answer
   x = 73,146.69