Finding the Fourth Proportional to 357,805.80, 493,818.72 and 230,850.72

Step by Step Solution

1. Step 1: Write the proportion equation
   357,805.80 : 493,818.72 = 230,850.72 : x
2. Step 2: Convert to fraction form
   357,805.80/493,818.72 = 230,850.72/x
3. Step 3: Cross multiply
   357,805.80x = 493,818.72 × 230,850.72
4. Step 4: Simplify right side
   357,805.80x = 113,998,407,061.48
5. Step 5: Solve for x
   x = 113,998,407,061.48/357,805.80
6. Step 6: Final answer
   x = 318,604.13