Finding the Fourth Proportional to 1,442,143,022.16, 2,162,911,824.72 and 406,761,771.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442,143,022.16 : 2,162,911,824.72 = 406,761,771.12 : x
2. Step 2: Convert to fraction form
   1,442,143,022.16/2,162,911,824.72 = 406,761,771.12/x
3. Step 3: Cross multiply
   1,442,143,022.16x = 2,162,911,824.72 × 406,761,771.12
4. Step 4: Simplify right side
   1,442,143,022.16x = 879,789,844,599,498,112
5. Step 5: Solve for x
   x = 879,789,844,599,498,112/1,442,143,022.16
6. Step 6: Final answer
   x = 610,057,276.62