Finding the Fourth Proportional to 12,726,648,153.10, 17,563,318,788.59 and 7,087,863,100.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726,648,153.10 : 17,563,318,788.59 = 7,087,863,100.42 : x
2. Step 2: Convert to fraction form
   12,726,648,153.10/17,563,318,788.59 = 7,087,863,100.42/x
3. Step 3: Cross multiply
   12,726,648,153.10x = 17,563,318,788.59 × 7,087,863,100.42
4. Step 4: Simplify right side
   12,726,648,153.10x = 124,486,399,162,560,364,544
5. Step 5: Solve for x
   x = 124,486,399,162,560,364,544/12,726,648,153.10
6. Step 6: Final answer
   x = 9,781,554,236.83