Finding the Fourth Proportional to 198,665.68, 298,016.52 and 65,546.32

Step by Step Solution

1. Step 1: Write the proportion equation
   198,665.68 : 298,016.52 = 65,546.32 : x
2. Step 2: Convert to fraction form
   198,665.68/298,016.52 = 65,546.32/x
3. Step 3: Cross multiply
   198,665.68x = 298,016.52 × 65,546.32
4. Step 4: Simplify right side
   198,665.68x = 19,533,886,185.21
5. Step 5: Solve for x
   x = 19,533,886,185.21/198,665.68
6. Step 6: Final answer
   x = 98,325.42