Finding the Fourth Proportional to 134,061.12, 185,010 and 80,336.04

Step by Step Solution

1. Step 1: Write the proportion equation
   134,061.12 : 185,010 = 80,336.04 : x
2. Step 2: Convert to fraction form
   134,061.12/185,010 = 80,336.04/x
3. Step 3: Cross multiply
   134,061.12x = 185,010 × 80,336.04
4. Step 4: Simplify right side
   134,061.12x = 14,862,970,760.40
5. Step 5: Solve for x
   x = 14,862,970,760.40/134,061.12
6. Step 6: Final answer
   x = 110,867.12