Finding the Fourth Proportional to 199,111.32, 274,761.18 and 109,687.32

Step by Step Solution

1. Step 1: Write the proportion equation
   199,111.32 : 274,761.18 = 109,687.32 : x
2. Step 2: Convert to fraction form
   199,111.32/274,761.18 = 109,687.32/x
3. Step 3: Cross multiply
   199,111.32x = 274,761.18 × 109,687.32
4. Step 4: Simplify right side
   199,111.32x = 30,137,817,474.24
5. Step 5: Solve for x
   x = 30,137,817,474.24/199,111.32
6. Step 6: Final answer
   x = 151,361.65