Finding the Fourth Proportional to 2,128,150,654.52, 2,936,788,997.20 and 1,175,514,318.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,150,654.52 : 2,936,788,997.20 = 1,175,514,318.48 : x
2. Step 2: Convert to fraction form
   2,128,150,654.52/2,936,788,997.20 = 1,175,514,318.48/x
3. Step 3: Cross multiply
   2,128,150,654.52x = 2,936,788,997.20 × 1,175,514,318.48
4. Step 4: Simplify right side
   2,128,150,654.52x = 3,452,237,516,563,120,640
5. Step 5: Solve for x
   x = 3,452,237,516,563,120,640/2,128,150,654.52
6. Step 6: Final answer
   x = 1,622,177,221.91