Finding the Fourth Proportional to 108,667.91, 149,961.61 and 60,921.27

Step by Step Solution

1. Step 1: Write the proportion equation
   108,667.91 : 149,961.61 = 60,921.27 : x
2. Step 2: Convert to fraction form
   108,667.91/149,961.61 = 60,921.27/x
3. Step 3: Cross multiply
   108,667.91x = 149,961.61 × 60,921.27
4. Step 4: Simplify right side
   108,667.91x = 9,135,851,732.44
5. Step 5: Solve for x
   x = 9,135,851,732.44/108,667.91
6. Step 6: Final answer
   x = 84,071.29