Finding the Fourth Proportional to 250,493.42, 345,673.76 and 143,061.24

Step by Step Solution

1. Step 1: Write the proportion equation
   250,493.42 : 345,673.76 = 143,061.24 : x
2. Step 2: Convert to fraction form
   250,493.42/345,673.76 = 143,061.24/x
3. Step 3: Cross multiply
   250,493.42x = 345,673.76 × 143,061.24
4. Step 4: Simplify right side
   250,493.42x = 49,452,516,741.06
5. Step 5: Solve for x
   x = 49,452,516,741.06/250,493.42
6. Step 6: Final answer
   x = 197,420.42