Finding the Fourth Proportional to 112,976.46, 155,912.39 and 67,661.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,976.46 : 155,912.39 = 67,661.82 : x
2. Step 2: Convert to fraction form
   112,976.46/155,912.39 = 67,661.82/x
3. Step 3: Cross multiply
   112,976.46x = 155,912.39 × 67,661.82
4. Step 4: Simplify right side
   112,976.46x = 10,549,315,729.64
5. Step 5: Solve for x
   x = 10,549,315,729.64/112,976.46
6. Step 6: Final answer
   x = 93,376.23