Finding the Fourth Proportional to 113,017.50, 155,969.01 and 62,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,017.50 : 155,969.01 = 62,716.50 : x
2. Step 2: Convert to fraction form
   113,017.50/155,969.01 = 62,716.50/x
3. Step 3: Cross multiply
   113,017.50x = 155,969.01 × 62,716.50
4. Step 4: Simplify right side
   113,017.50x = 9,781,830,415.67
5. Step 5: Solve for x
   x = 9,781,830,415.67/113,017.50
6. Step 6: Final answer
   x = 86,551.47