Finding the Fourth Proportional to 107,951.10, 149,018.58 and 67,687.80

Step by Step Solution

1. Step 1: Write the proportion equation
   107,951.10 : 149,018.58 = 67,687.80 : x
2. Step 2: Convert to fraction form
   107,951.10/149,018.58 = 67,687.80/x
3. Step 3: Cross multiply
   107,951.10x = 149,018.58 × 67,687.80
4. Step 4: Simplify right side
   107,951.10x = 10,086,739,839.32
5. Step 5: Solve for x
   x = 10,086,739,839.32/107,951.10
6. Step 6: Final answer
   x = 93,438.05