Finding the Fourth Proportional to 113,010.11, 155,943.26 and 67,687.31

Step by Step Solution

1. Step 1: Write the proportion equation
   113,010.11 : 155,943.26 = 67,687.31 : x
2. Step 2: Convert to fraction form
   113,010.11/155,943.26 = 67,687.31/x
3. Step 3: Cross multiply
   113,010.11x = 155,943.26 × 67,687.31
4. Step 4: Simplify right side
   113,010.11x = 10,555,379,443.59
5. Step 5: Solve for x
   x = 10,555,379,443.59/113,010.11
6. Step 6: Final answer
   x = 93,402.08