Finding the Fourth Proportional to 198,644.83, 297,976.43 and 65,536.72

Step by Step Solution

1. Step 1: Write the proportion equation
   198,644.83 : 297,976.43 = 65,536.72 : x
2. Step 2: Convert to fraction form
   198,644.83/297,976.43 = 65,536.72/x
3. Step 3: Cross multiply
   198,644.83x = 297,976.43 × 65,536.72
4. Step 4: Simplify right side
   198,644.83x = 19,528,398,150.06
5. Step 5: Solve for x
   x = 19,528,398,150.06/198,644.83
6. Step 6: Final answer
   x = 98,308.11