Finding the Fourth Proportional to 107,709.37, 148,542.16 and 67,426.80

Step by Step Solution

1. Step 1: Write the proportion equation
   107,709.37 : 148,542.16 = 67,426.80 : x
2. Step 2: Convert to fraction form
   107,709.37/148,542.16 = 67,426.80/x
3. Step 3: Cross multiply
   107,709.37x = 148,542.16 × 67,426.80
4. Step 4: Simplify right side
   107,709.37x = 10,015,722,513.89
5. Step 5: Solve for x
   x = 10,015,722,513.89/107,709.37
6. Step 6: Final answer
   x = 92,988.40