Finding the Fourth Proportional to 89,922.15, 134,778.20 and 67,663.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,922.15 : 134,778.20 = 67,663.98 : x
2. Step 2: Convert to fraction form
   89,922.15/134,778.20 = 67,663.98/x
3. Step 3: Cross multiply
   89,922.15x = 134,778.20 × 67,663.98
4. Step 4: Simplify right side
   89,922.15x = 9,119,629,090.92
5. Step 5: Solve for x
   x = 9,119,629,090.92/89,922.15
6. Step 6: Final answer
   x = 101,416.94