Finding the Fourth Proportional to 359,709.27, 496,398.89 and 198,564.42

Step by Step Solution

1. Step 1: Write the proportion equation
   359,709.27 : 496,398.89 = 198,564.42 : x
2. Step 2: Convert to fraction form
   359,709.27/496,398.89 = 198,564.42/x
3. Step 3: Cross multiply
   359,709.27x = 496,398.89 × 198,564.42
4. Step 4: Simplify right side
   359,709.27x = 98,567,156,688.67
5. Step 5: Solve for x
   x = 98,567,156,688.67/359,709.27
6. Step 6: Final answer
   x = 274,018.95