Finding the Fourth Proportional to 2,147,446,572.56, 2,963,429,833.59 and 1,243,240,634.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,446,572.56 : 2,963,429,833.59 = 1,243,240,634.36 : x
2. Step 2: Convert to fraction form
   2,147,446,572.56/2,963,429,833.59 = 1,243,240,634.36/x
3. Step 3: Cross multiply
   2,147,446,572.56x = 2,963,429,833.59 × 1,243,240,634.36
4. Step 4: Simplify right side
   2,147,446,572.56x = 3,684,256,386,189,022,720
5. Step 5: Solve for x
   x = 3,684,256,386,189,022,720/2,147,446,572.56
6. Step 6: Final answer
   x = 1,715,645,191.49