Finding the Fourth Proportional to 113,016.25, 155,969.72 and 62,715.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,016.25 : 155,969.72 = 62,715.25 : x
2. Step 2: Convert to fraction form
   113,016.25/155,969.72 = 62,715.25/x
3. Step 3: Cross multiply
   113,016.25x = 155,969.72 × 62,715.25
4. Step 4: Simplify right side
   113,016.25x = 9,781,679,982.23
5. Step 5: Solve for x
   x = 9,781,679,982.23/113,016.25
6. Step 6: Final answer
   x = 86,551.09