Finding the Fourth Proportional to 199,036.57, 274,658.02 and 109,612.57

Step by Step Solution

1. Step 1: Write the proportion equation
   199,036.57 : 274,658.02 = 109,612.57 : x
2. Step 2: Convert to fraction form
   199,036.57/274,658.02 = 109,612.57/x
3. Step 3: Cross multiply
   199,036.57x = 274,658.02 × 109,612.57
4. Step 4: Simplify right side
   199,036.57x = 30,105,971,443.31
5. Step 5: Solve for x
   x = 30,105,971,443.31/199,036.57
6. Step 6: Final answer
   x = 151,258.49