Finding the Fourth Proportional to 113,615.44, 156,789.52 and 65,896.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,615.44 : 156,789.52 = 65,896.56 : x
2. Step 2: Convert to fraction form
   113,615.44/156,789.52 = 65,896.56/x
3. Step 3: Cross multiply
   113,615.44x = 156,789.52 × 65,896.56
4. Step 4: Simplify right side
   113,615.44x = 10,331,890,012.05
5. Step 5: Solve for x
   x = 10,331,890,012.05/113,615.44
6. Step 6: Final answer
   x = 90,937.38