Finding the Fourth Proportional to 134,496.72, 185,596.92 and 80,784

Step by Step Solution

1. Step 1: Write the proportion equation
   134,496.72 : 185,596.92 = 80,784 : x
2. Step 2: Convert to fraction form
   134,496.72/185,596.92 = 80,784/x
3. Step 3: Cross multiply
   134,496.72x = 185,596.92 × 80,784
4. Step 4: Simplify right side
   134,496.72x = 14,993,261,585.28
5. Step 5: Solve for x
   x = 14,993,261,585.28/134,496.72
6. Step 6: Final answer
   x = 111,476.78