Finding the Fourth Proportional to 359,730.10, 496,414.52 and 198,581.69

Step by Step Solution

1. Step 1: Write the proportion equation
   359,730.10 : 496,414.52 = 198,581.69 : x
2. Step 2: Convert to fraction form
   359,730.10/496,414.52 = 198,581.69/x
3. Step 3: Cross multiply
   359,730.10x = 496,414.52 × 198,581.69
4. Step 4: Simplify right side
   359,730.10x = 98,578,835,314.95
5. Step 5: Solve for x
   x = 98,578,835,314.95/359,730.10
6. Step 6: Final answer
   x = 274,035.55