Finding the Fourth Proportional to 112,645.96, 155,440.89 and 67,314.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,645.96 : 155,440.89 = 67,314.94 : x
2. Step 2: Convert to fraction form
   112,645.96/155,440.89 = 67,314.94/x
3. Step 3: Cross multiply
   112,645.96x = 155,440.89 × 67,314.94
4. Step 4: Simplify right side
   112,645.96x = 10,463,494,183.90
5. Step 5: Solve for x
   x = 10,463,494,183.90/112,645.96
6. Step 6: Final answer
   x = 92,888.32