Finding the Fourth Proportional to 108,043.92, 149,058.99 and 67,687.38

Step by Step Solution

1. Step 1: Write the proportion equation
   108,043.92 : 149,058.99 = 67,687.38 : x
2. Step 2: Convert to fraction form
   108,043.92/149,058.99 = 67,687.38/x
3. Step 3: Cross multiply
   108,043.92x = 149,058.99 × 67,687.38
4. Step 4: Simplify right side
   108,043.92x = 10,089,412,498.55
5. Step 5: Solve for x
   x = 10,089,412,498.55/108,043.92
6. Step 6: Final answer
   x = 93,382.51