Finding the Fourth Proportional to 3,901,997,763.87, 5,384,760,899.35 and 2,117,851,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901,997,763.87 : 5,384,760,899.35 = 2,117,851,584.72 : x
2. Step 2: Convert to fraction form
   3,901,997,763.87/5,384,760,899.35 = 2,117,851,584.72/x
3. Step 3: Cross multiply
   3,901,997,763.87x = 5,384,760,899.35 × 2,117,851,584.72
4. Step 4: Simplify right side
   3,901,997,763.87x = 11,404,124,404,021,395,456
5. Step 5: Solve for x
   x = 11,404,124,404,021,395,456/3,901,997,763.87
6. Step 6: Final answer
   x = 2,922,637,349.93