Finding the Fourth Proportional to 250,499.42, 345,682.04 and 143,067.24

Step by Step Solution

1. Step 1: Write the proportion equation
   250,499.42 : 345,682.04 = 143,067.24 : x
2. Step 2: Convert to fraction form
   250,499.42/345,682.04 = 143,067.24/x
3. Step 3: Cross multiply
   250,499.42x = 345,682.04 × 143,067.24
4. Step 4: Simplify right side
   250,499.42x = 49,455,775,380.37
5. Step 5: Solve for x
   x = 49,455,775,380.37/250,499.42
6. Step 6: Final answer
   x = 197,428.70