Finding the Fourth Proportional to 113,417, 156,505.24 and 65,673.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,417 : 156,505.24 = 65,673.56 : x
2. Step 2: Convert to fraction form
   113,417/156,505.24 = 65,673.56/x
3. Step 3: Cross multiply
   113,417x = 156,505.24 × 65,673.56
4. Step 4: Simplify right side
   113,417x = 10,278,256,269.45
5. Step 5: Solve for x
   x = 10,278,256,269.45/113,417
6. Step 6: Final answer
   x = 90,623.59