Finding the Fourth Proportional to 113,136.05, 156,092.62 and 65,371.97

Step by Step Solution

1. Step 1: Write the proportion equation
   113,136.05 : 156,092.62 = 65,371.97 : x
2. Step 2: Convert to fraction form
   113,136.05/156,092.62 = 65,371.97/x
3. Step 3: Cross multiply
   113,136.05x = 156,092.62 × 65,371.97
4. Step 4: Simplify right side
   113,136.05x = 10,204,082,071.86
5. Step 5: Solve for x
   x = 10,204,082,071.86/113,136.05
6. Step 6: Final answer
   x = 90,193.02