Finding the Fourth Proportional to 108,018.42, 149,023.86 and 67,661.94

Step by Step Solution

1. Step 1: Write the proportion equation
   108,018.42 : 149,023.86 = 67,661.94 : x
2. Step 2: Convert to fraction form
   108,018.42/149,023.86 = 67,661.94/x
3. Step 3: Cross multiply
   108,018.42x = 149,023.86 × 67,661.94
4. Step 4: Simplify right side
   108,018.42x = 10,083,243,473.89
5. Step 5: Solve for x
   x = 10,083,243,473.89/108,018.42
6. Step 6: Final answer
   x = 93,347.44