Finding the Fourth Proportional to 1,171,066,721.52, 1,616,062,510.59 and 635,217,045.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,066,721.52 : 1,616,062,510.59 = 635,217,045.12 : x
2. Step 2: Convert to fraction form
   1,171,066,721.52/1,616,062,510.59 = 635,217,045.12/x
3. Step 3: Cross multiply
   1,171,066,721.52x = 1,616,062,510.59 × 635,217,045.12
4. Step 4: Simplify right side
   1,171,066,721.52x = 1,026,550,452,703,838,208
5. Step 5: Solve for x
   x = 1,026,550,452,703,838,208/1,171,066,721.52
6. Step 6: Final answer
   x = 876,594,333.90