Finding the Fourth Proportional to 134,478.42, 185,524.56 and 80,019.72

Step by Step Solution

1. Step 1: Write the proportion equation
   134,478.42 : 185,524.56 = 80,019.72 : x
2. Step 2: Convert to fraction form
   134,478.42/185,524.56 = 80,019.72/x
3. Step 3: Cross multiply
   134,478.42x = 185,524.56 × 80,019.72
4. Step 4: Simplify right side
   134,478.42x = 14,845,623,344.32
5. Step 5: Solve for x
   x = 14,845,623,344.32/134,478.42
6. Step 6: Final answer
   x = 110,394.09