Finding the Fourth Proportional to 108,606.28, 149,861.46 and 60,855.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,606.28 : 149,861.46 = 60,855.88 : x
2. Step 2: Convert to fraction form
   108,606.28/149,861.46 = 60,855.88/x
3. Step 3: Cross multiply
   108,606.28x = 149,861.46 × 60,855.88
4. Step 4: Simplify right side
   108,606.28x = 9,119,951,026.38
5. Step 5: Solve for x
   x = 9,119,951,026.38/108,606.28
6. Step 6: Final answer
   x = 83,972.59