Finding the Fourth Proportional to 198,841.05, 274,309.98 and 118,222.76

Step by Step Solution

1. Step 1: Write the proportion equation
   198,841.05 : 274,309.98 = 118,222.76 : x
2. Step 2: Convert to fraction form
   198,841.05/274,309.98 = 118,222.76/x
3. Step 3: Cross multiply
   198,841.05x = 274,309.98 × 118,222.76
4. Step 4: Simplify right side
   198,841.05x = 32,429,681,559.59
5. Step 5: Solve for x
   x = 32,429,681,559.59/198,841.05
6. Step 6: Final answer
   x = 163,093.49