Finding the Fourth Proportional to 35,897,820,109.12, 53,847,827,146.42 and 12,315,726,262.45

Step by Step Solution

1. Step 1: Write the proportion equation
   35,897,820,109.12 : 53,847,827,146.42 = 12,315,726,262.45 : x
2. Step 2: Convert to fraction form
   35,897,820,109.12/53,847,827,146.42 = 12,315,726,262.45/x
3. Step 3: Cross multiply
   35,897,820,109.12x = 53,847,827,146.42 × 12,315,726,262.45
4. Step 4: Simplify right side
   35,897,820,109.12x = 663,175,098,963,135,954,944
5. Step 5: Solve for x
   x = 663,175,098,963,135,954,944/35,897,820,109.12
6. Step 6: Final answer
   x = 18,473,965,743.52