Finding the Fourth Proportional to 16,169,892,585.15, 24,233,158,292.23 and 12,584,649,066.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,169,892,585.15 : 24,233,158,292.23 = 12,584,649,066.20 : x
2. Step 2: Convert to fraction form
   16,169,892,585.15/24,233,158,292.23 = 12,584,649,066.20/x
3. Step 3: Cross multiply
   16,169,892,585.15x = 24,233,158,292.23 × 12,584,649,066.20
4. Step 4: Simplify right side
   16,169,892,585.15x = 304,965,792,873,389,096,960
5. Step 5: Solve for x
   x = 304,965,792,873,389,096,960/16,169,892,585.15
6. Step 6: Final answer
   x = 18,860,100,106.88