Finding the Fourth Proportional to 108,062.80, 149,144.90 and 67,810.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,062.80 : 149,144.90 = 67,810.12 : x
2. Step 2: Convert to fraction form
   108,062.80/149,144.90 = 67,810.12/x
3. Step 3: Cross multiply
   108,062.80x = 149,144.90 × 67,810.12
4. Step 4: Simplify right side
   108,062.80x = 10,113,533,566.39
5. Step 5: Solve for x
   x = 10,113,533,566.39/108,062.80
6. Step 6: Final answer
   x = 93,589.41