Finding the Fourth Proportional to 108,665.54, 149,958.34 and 60,918.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,665.54 : 149,958.34 = 60,918.88 : x
2. Step 2: Convert to fraction form
   108,665.54/149,958.34 = 60,918.88/x
3. Step 3: Cross multiply
   108,665.54x = 149,958.34 × 60,918.88
4. Step 4: Simplify right side
   108,665.54x = 9,135,294,119.46
5. Step 5: Solve for x
   x = 9,135,294,119.46/108,665.54
6. Step 6: Final answer
   x = 84,068.00