Finding the Fourth Proportional to 78,641.12, 108,601.86 and 67,244.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,641.12 : 108,601.86 = 67,244.82 : x
2. Step 2: Convert to fraction form
   78,641.12/108,601.86 = 67,244.82/x
3. Step 3: Cross multiply
   78,641.12x = 108,601.86 × 67,244.82
4. Step 4: Simplify right side
   78,641.12x = 7,302,912,527.37
5. Step 5: Solve for x
   x = 7,302,912,527.37/78,641.12
6. Step 6: Final answer
   x = 92,863.79