Finding the Fourth Proportional to 117,517,872.72, 162,003,743.55 and 82,125,796.62

Step by Step Solution

1. Step 1: Write the proportion equation
   117,517,872.72 : 162,003,743.55 = 82,125,796.62 : x
2. Step 2: Convert to fraction form
   117,517,872.72/162,003,743.55 = 82,125,796.62/x
3. Step 3: Cross multiply
   117,517,872.72x = 162,003,743.55 × 82,125,796.62
4. Step 4: Simplify right side
   117,517,872.72x = 13,304,686,494,465,938
5. Step 5: Solve for x
   x = 13,304,686,494,465,938/117,517,872.72
6. Step 6: Final answer
   x = 113,214,153.61