Finding the Fourth Proportional to 107,947.10, 149,013.06 and 67,683.80

Step by Step Solution

1. Step 1: Write the proportion equation
   107,947.10 : 149,013.06 = 67,683.80 : x
2. Step 2: Convert to fraction form
   107,947.10/149,013.06 = 67,683.80/x
3. Step 3: Cross multiply
   107,947.10x = 149,013.06 × 67,683.80
4. Step 4: Simplify right side
   107,947.10x = 10,085,770,150.43
5. Step 5: Solve for x
   x = 10,085,770,150.43/107,947.10
6. Step 6: Final answer
   x = 93,432.53