Finding the Fourth Proportional to 113,662.48, 170,542.89 and 61,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,662.48 : 170,542.89 = 61,010.50 : x
2. Step 2: Convert to fraction form
   113,662.48/170,542.89 = 61,010.50/x
3. Step 3: Cross multiply
   113,662.48x = 170,542.89 × 61,010.50
4. Step 4: Simplify right side
   113,662.48x = 10,404,906,335.20
5. Step 5: Solve for x
   x = 10,404,906,335.20/113,662.48
6. Step 6: Final answer
   x = 91,542.14