Finding the Fourth Proportional to 108,667.41, 149,960.92 and 60,920.77

Step by Step Solution

1. Step 1: Write the proportion equation
   108,667.41 : 149,960.92 = 60,920.77 : x
2. Step 2: Convert to fraction form
   108,667.41/149,960.92 = 60,920.77/x
3. Step 3: Cross multiply
   108,667.41x = 149,960.92 × 60,920.77
4. Step 4: Simplify right side
   108,667.41x = 9,135,734,716.31
5. Step 5: Solve for x
   x = 9,135,734,716.31/108,667.41
6. Step 6: Final answer
   x = 84,070.60