Finding the Fourth Proportional to 2,605,113,160.34, 3,908,436,493.59 and 946,994,309.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,113,160.34 : 3,908,436,493.59 = 946,994,309.63 : x
2. Step 2: Convert to fraction form
   2,605,113,160.34/3,908,436,493.59 = 946,994,309.63/x
3. Step 3: Cross multiply
   2,605,113,160.34x = 3,908,436,493.59 × 946,994,309.63
4. Step 4: Simplify right side
   2,605,113,160.34x = 3,701,267,118,979,960,320
5. Step 5: Solve for x
   x = 3,701,267,118,979,960,320/2,605,113,160.34
6. Step 6: Final answer
   x = 1,420,770,189.69