Finding the Fourth Proportional to 261,491,399.69, 360,874,452.00 and 144,016,700.15

Step by Step Solution

1. Step 1: Write the proportion equation
   261,491,399.69 : 360,874,452.00 = 144,016,700.15 : x
2. Step 2: Convert to fraction form
   261,491,399.69/360,874,452.00 = 144,016,700.15/x
3. Step 3: Cross multiply
   261,491,399.69x = 360,874,452.00 × 144,016,700.15
4. Step 4: Simplify right side
   261,491,399.69x = 51,971,947,746,113,880
5. Step 5: Solve for x
   x = 51,971,947,746,113,880/261,491,399.69
6. Step 6: Final answer
   x = 198,752,034.71