Finding the Fourth Proportional to 198,009.90, 296,796.15 and 109,327.05

Step by Step Solution

1. Step 1: Write the proportion equation
   198,009.90 : 296,796.15 = 109,327.05 : x
2. Step 2: Convert to fraction form
   198,009.90/296,796.15 = 109,327.05/x
3. Step 3: Cross multiply
   198,009.90x = 296,796.15 × 109,327.05
4. Step 4: Simplify right side
   198,009.90x = 32,447,847,530.86
5. Step 5: Solve for x
   x = 32,447,847,530.86/198,009.90
6. Step 6: Final answer
   x = 163,869.82