Finding the Fourth Proportional to 113,147.82, 156,172.05 and 65,394.27

Step by Step Solution

1. Step 1: Write the proportion equation
   113,147.82 : 156,172.05 = 65,394.27 : x
2. Step 2: Convert to fraction form
   113,147.82/156,172.05 = 65,394.27/x
3. Step 3: Cross multiply
   113,147.82x = 156,172.05 × 65,394.27
4. Step 4: Simplify right side
   113,147.82x = 10,212,757,204.15
5. Step 5: Solve for x
   x = 10,212,757,204.15/113,147.82
6. Step 6: Final answer
   x = 90,260.31