Finding the Fourth Proportional to 108,667.54, 149,961.10 and 60,920.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,667.54 : 149,961.10 = 60,920.88 : x
2. Step 2: Convert to fraction form
   108,667.54/149,961.10 = 60,920.88/x
3. Step 3: Cross multiply
   108,667.54x = 149,961.10 × 60,920.88
4. Step 4: Simplify right side
   108,667.54x = 9,135,762,177.77
5. Step 5: Solve for x
   x = 9,135,762,177.77/108,667.54
6. Step 6: Final answer
   x = 84,070.76