Finding the Fourth Proportional to 2,165,662,292.56, 2,988,617,752.20 and 1,175,588,380.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,662,292.56 : 2,988,617,752.20 = 1,175,588,380.24 : x
2. Step 2: Convert to fraction form
   2,165,662,292.56/2,988,617,752.20 = 1,175,588,380.24/x
3. Step 3: Cross multiply
   2,165,662,292.56x = 2,988,617,752.20 × 1,175,588,380.24
4. Step 4: Simplify right side
   2,165,662,292.56x = 3,513,384,302,465,307,648
5. Step 5: Solve for x
   x = 3,513,384,302,465,307,648/2,165,662,292.56
6. Step 6: Final answer
   x = 1,622,314,021.23