Finding the Fourth Proportional to 198,657, 274,146.66 and 109,233

Step by Step Solution

1. Step 1: Write the proportion equation
   198,657 : 274,146.66 = 109,233 : x
2. Step 2: Convert to fraction form
   198,657/274,146.66 = 109,233/x
3. Step 3: Cross multiply
   198,657x = 274,146.66 × 109,233
4. Step 4: Simplify right side
   198,657x = 29,945,862,111.78
5. Step 5: Solve for x
   x = 29,945,862,111.78/198,657
6. Step 6: Final answer
   x = 150,741.54