Finding the Fourth Proportional to 151,687,871.33, 209,327,772.16 and 82,071,724.73

Step by Step Solution

1. Step 1: Write the proportion equation
   151,687,871.33 : 209,327,772.16 = 82,071,724.73 : x
2. Step 2: Convert to fraction form
   151,687,871.33/209,327,772.16 = 82,071,724.73/x
3. Step 3: Cross multiply
   151,687,871.33x = 209,327,772.16 × 82,071,724.73
4. Step 4: Simplify right side
   151,687,871.33x = 17,179,891,295,059,678
5. Step 5: Solve for x
   x = 17,179,891,295,059,678/151,687,871.33
6. Step 6: Final answer
   x = 113,258,173.80