Finding the Fourth Proportional to 113,648.14, 156,823.73 and 65,896.31

Step by Step Solution

1. Step 1: Write the proportion equation
   113,648.14 : 156,823.73 = 65,896.31 : x
2. Step 2: Convert to fraction form
   113,648.14/156,823.73 = 65,896.31/x
3. Step 3: Cross multiply
   113,648.14x = 156,823.73 × 65,896.31
4. Step 4: Simplify right side
   113,648.14x = 10,334,105,437.13
5. Step 5: Solve for x
   x = 10,334,105,437.13/113,648.14
6. Step 6: Final answer
   x = 90,930.70