Finding the Fourth Proportional to 199,142.76, 274,816.86 and 109,718.76

Step by Step Solution

1. Step 1: Write the proportion equation
   199,142.76 : 274,816.86 = 109,718.76 : x
2. Step 2: Convert to fraction form
   199,142.76/274,816.86 = 109,718.76/x
3. Step 3: Cross multiply
   199,142.76x = 274,816.86 × 109,718.76
4. Step 4: Simplify right side
   199,142.76x = 30,152,565,106.29
5. Step 5: Solve for x
   x = 30,152,565,106.29/199,142.76
6. Step 6: Final answer
   x = 151,411.81