Finding the Fourth Proportional to 110,688.96, 166,016.89 and 30,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,688.96 : 166,016.89 = 30,718.50 : x
2. Step 2: Convert to fraction form
   110,688.96/166,016.89 = 30,718.50/x
3. Step 3: Cross multiply
   110,688.96x = 166,016.89 × 30,718.50
4. Step 4: Simplify right side
   110,688.96x = 5,099,789,873.86
5. Step 5: Solve for x
   x = 5,099,789,873.86/110,688.96
6. Step 6: Final answer
   x = 46,073.16