Finding the Fourth Proportional to 1,147,845,983.37, 1,722,042,210.71 and 371,491,644.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147,845,983.37 : 1,722,042,210.71 = 371,491,644.09 : x
2. Step 2: Convert to fraction form
   1,147,845,983.37/1,722,042,210.71 = 371,491,644.09/x
3. Step 3: Cross multiply
   1,147,845,983.37x = 1,722,042,210.71 × 371,491,644.09
4. Step 4: Simplify right side
   1,147,845,983.37x = 639,724,292,056,422,528
5. Step 5: Solve for x
   x = 639,724,292,056,422,528/1,147,845,983.37
6. Step 6: Final answer
   x = 557,325,896.79