Finding the Fourth Proportional to 110,688.59, 166,016.33 and 30,718.12

Step by Step Solution

1. Step 1: Write the proportion equation
   110,688.59 : 166,016.33 = 30,718.12 : x
2. Step 2: Convert to fraction form
   110,688.59/166,016.33 = 30,718.12/x
3. Step 3: Cross multiply
   110,688.59x = 166,016.33 × 30,718.12
4. Step 4: Simplify right side
   110,688.59x = 5,099,710,083.52
5. Step 5: Solve for x
   x = 5,099,710,083.52/110,688.59
6. Step 6: Final answer
   x = 46,072.59