Finding the Fourth Proportional to 199,114.69, 274,778.16 and 109,690.69

Step by Step Solution

1. Step 1: Write the proportion equation
   199,114.69 : 274,778.16 = 109,690.69 : x
2. Step 2: Convert to fraction form
   199,114.69/274,778.16 = 109,690.69/x
3. Step 3: Cross multiply
   199,114.69x = 274,778.16 × 109,690.69
4. Step 4: Simplify right side
   199,114.69x = 30,140,605,967.33
5. Step 5: Solve for x
   x = 30,140,605,967.33/199,114.69
6. Step 6: Final answer
   x = 151,373.09