Finding the Fourth Proportional to 199,117.30, 274,781.87 and 109,693.30

Step by Step Solution

1. Step 1: Write the proportion equation
   199,117.30 : 274,781.87 = 109,693.30 : x
2. Step 2: Convert to fraction form
   199,117.30/274,781.87 = 109,693.30/x
3. Step 3: Cross multiply
   199,117.30x = 274,781.87 × 109,693.30
4. Step 4: Simplify right side
   199,117.30x = 30,141,730,100.47
5. Step 5: Solve for x
   x = 30,141,730,100.47/199,117.30
6. Step 6: Final answer
   x = 151,376.75