Finding the Fourth Proportional to 113,661.54, 170,541.48 and 61,009.56

Step by Step Solution

1. Step 1: Write the proportion equation
   113,661.54 : 170,541.48 = 61,009.56 : x
2. Step 2: Convert to fraction form
   113,661.54/170,541.48 = 61,009.56/x
3. Step 3: Cross multiply
   113,661.54x = 170,541.48 × 61,009.56
4. Step 4: Simplify right side
   113,661.54x = 10,404,660,656.55
5. Step 5: Solve for x
   x = 10,404,660,656.55/113,661.54
6. Step 6: Final answer
   x = 91,540.73