Finding the Fourth Proportional to 22,906,377,971.32, 31,610,306,142.12 and 13,261,514,673.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,906,377,971.32 : 31,610,306,142.12 = 13,261,514,673.28 : x
2. Step 2: Convert to fraction form
   22,906,377,971.32/31,610,306,142.12 = 13,261,514,673.28/x
3. Step 3: Cross multiply
   22,906,377,971.32x = 31,610,306,142.12 × 13,261,514,673.28
4. Step 4: Simplify right side
   22,906,377,971.32x = 419,200,538,730,597,318,656
5. Step 5: Solve for x
   x = 419,200,538,730,597,318,656/22,906,377,971.32
6. Step 6: Final answer
   x = 18,300,603,406.42