Finding the Fourth Proportional to 113,017.71, 155,938.23 and 67,687.27

Step by Step Solution

1. Step 1: Write the proportion equation
   113,017.71 : 155,938.23 = 67,687.27 : x
2. Step 2: Convert to fraction form
   113,017.71/155,938.23 = 67,687.27/x
3. Step 3: Cross multiply
   113,017.71x = 155,938.23 × 67,687.27
4. Step 4: Simplify right side
   113,017.71x = 10,555,033,077.33
5. Step 5: Solve for x
   x = 10,555,033,077.33/113,017.71
6. Step 6: Final answer
   x = 93,392.74