Finding the Fourth Proportional to 113,016, 155,969.39 and 62,715

Step by Step Solution

1. Step 1: Write the proportion equation
   113,016 : 155,969.39 = 62,715 : x
2. Step 2: Convert to fraction form
   113,016/155,969.39 = 62,715/x
3. Step 3: Cross multiply
   113,016x = 155,969.39 × 62,715
4. Step 4: Simplify right side
   113,016x = 9,781,619,980.28
5. Step 5: Solve for x
   x = 9,781,619,980.28/113,016
6. Step 6: Final answer
   x = 86,550.75