Finding the Fourth Proportional to 250,500.42, 345,683.43 and 143,068.23

Step by Step Solution

1. Step 1: Write the proportion equation
   250,500.42 : 345,683.43 = 143,068.23 : x
2. Step 2: Convert to fraction form
   250,500.42/345,683.43 = 143,068.23/x
3. Step 3: Cross multiply
   250,500.42x = 345,683.43 × 143,068.23
4. Step 4: Simplify right side
   250,500.42x = 49,456,316,470.43
5. Step 5: Solve for x
   x = 49,456,316,470.43/250,500.42
6. Step 6: Final answer
   x = 197,430.07