Finding the Fourth Proportional to 359,500.10, 496,109.52 and 198,354.65

Step by Step Solution

1. Step 1: Write the proportion equation
   359,500.10 : 496,109.52 = 198,354.65 : x
2. Step 2: Convert to fraction form
   359,500.10/496,109.52 = 198,354.65/x
3. Step 3: Cross multiply
   359,500.10x = 496,109.52 × 198,354.65
4. Step 4: Simplify right side
   359,500.10x = 98,405,627,720.72
5. Step 5: Solve for x
   x = 98,405,627,720.72/359,500.10
6. Step 6: Final answer
   x = 273,729.07