Finding the Fourth Proportional to 21,067,597,080.16, 31,579,274,290.20 and 7,088,365,754.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,067,597,080.16 : 31,579,274,290.20 = 7,088,365,754.18 : x
2. Step 2: Convert to fraction form
   21,067,597,080.16/31,579,274,290.20 = 7,088,365,754.18/x
3. Step 3: Cross multiply
   21,067,597,080.16x = 31,579,274,290.20 × 7,088,365,754.18
4. Step 4: Simplify right side
   21,067,597,080.16x = 223,845,446,420,510,638,080
5. Step 5: Solve for x
   x = 223,845,446,420,510,638,080/21,067,597,080.16
6. Step 6: Final answer
   x = 10,625,105,728.42