Finding the Fourth Proportional to 151,687,864.58, 209,327,762.85 and 82,071,717.98

Step by Step Solution

1. Step 1: Write the proportion equation
   151,687,864.58 : 209,327,762.85 = 82,071,717.98 : x
2. Step 2: Convert to fraction form
   151,687,864.58/209,327,762.85 = 82,071,717.98/x
3. Step 3: Cross multiply
   151,687,864.58x = 209,327,762.85 × 82,071,717.98
4. Step 4: Simplify right side
   151,687,864.58x = 17,179,889,118,009,522
5. Step 5: Solve for x
   x = 17,179,889,118,009,522/151,687,864.58
6. Step 6: Final answer
   x = 113,258,164.49