Finding the Fourth Proportional to 258,154.42, 354,989.72 and 224,103.39

Step by Step Solution

1. Step 1: Write the proportion equation
   258,154.42 : 354,989.72 = 224,103.39 : x
2. Step 2: Convert to fraction form
   258,154.42/354,989.72 = 224,103.39/x
3. Step 3: Cross multiply
   258,154.42x = 354,989.72 × 224,103.39
4. Step 4: Simplify right side
   258,154.42x = 79,554,399,667.15
5. Step 5: Solve for x
   x = 79,554,399,667.15/258,154.42
6. Step 6: Final answer
   x = 308,165.94