Finding the Fourth Proportional to 367,933.55, 551,793.69 and 143,243.89

Step by Step Solution

1. Step 1: Write the proportion equation
   367,933.55 : 551,793.69 = 143,243.89 : x
2. Step 2: Convert to fraction form
   367,933.55/551,793.69 = 143,243.89/x
3. Step 3: Cross multiply
   367,933.55x = 551,793.69 × 143,243.89
4. Step 4: Simplify right side
   367,933.55x = 79,041,074,633.05
5. Step 5: Solve for x
   x = 79,041,074,633.05/367,933.55
6. Step 6: Final answer
   x = 214,824.32