Finding the Fourth Proportional to 113,416.48, 156,504.56 and 65,673.06

Step by Step Solution

1. Step 1: Write the proportion equation
   113,416.48 : 156,504.56 = 65,673.06 : x
2. Step 2: Convert to fraction form
   113,416.48/156,504.56 = 65,673.06/x
3. Step 3: Cross multiply
   113,416.48x = 156,504.56 × 65,673.06
4. Step 4: Simplify right side
   113,416.48x = 10,278,133,359.15
5. Step 5: Solve for x
   x = 10,278,133,359.15/113,416.48
6. Step 6: Final answer
   x = 90,622.93