Finding the Fourth Proportional to 997,140,196.37, 1,376,224,342.71 and 579,694,619.48

Step by Step Solution

1. Step 1: Write the proportion equation
   997,140,196.37 : 1,376,224,342.71 = 579,694,619.48 : x
2. Step 2: Convert to fraction form
   997,140,196.37/1,376,224,342.71 = 579,694,619.48/x
3. Step 3: Cross multiply
   997,140,196.37x = 1,376,224,342.71 × 579,694,619.48
4. Step 4: Simplify right side
   997,140,196.37x = 797,789,846,666,386,560
5. Step 5: Solve for x
   x = 797,789,846,666,386,560/997,140,196.37
6. Step 6: Final answer
   x = 800,077,912.38