Finding the Fourth Proportional to 3,976,018,768.79, 5,486,922,531.71 and 2,191,833,058.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976,018,768.79 : 5,486,922,531.71 = 2,191,833,058.72 : x
2. Step 2: Convert to fraction form
   3,976,018,768.79/5,486,922,531.71 = 2,191,833,058.72/x
3. Step 3: Cross multiply
   3,976,018,768.79x = 5,486,922,531.71 × 2,191,833,058.72
4. Step 4: Simplify right side
   3,976,018,768.79x = 12,026,418,195,612,940,288
5. Step 5: Solve for x
   x = 12,026,418,195,612,940,288/3,976,018,768.79
6. Step 6: Final answer
   x = 3,024,738,788.96