Finding the Fourth Proportional to 151,687,872.33, 209,327,773.55 and 82,071,725.73

Step by Step Solution

1. Step 1: Write the proportion equation
   151,687,872.33 : 209,327,773.55 = 82,071,725.73 : x
2. Step 2: Convert to fraction form
   151,687,872.33/209,327,773.55 = 82,071,725.73/x
3. Step 3: Cross multiply
   151,687,872.33x = 209,327,773.55 × 82,071,725.73
4. Step 4: Simplify right side
   151,687,872.33x = 17,179,891,618,056,790
5. Step 5: Solve for x
   x = 17,179,891,618,056,790/151,687,872.33
6. Step 6: Final answer
   x = 113,258,175.19