Finding the Fourth Proportional to 109,584.18, 151,185.60 and 80,972.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,584.18 : 151,185.60 = 80,972.82 : x
2. Step 2: Convert to fraction form
   109,584.18/151,185.60 = 80,972.82/x
3. Step 3: Cross multiply
   109,584.18x = 151,185.60 × 80,972.82
4. Step 4: Simplify right side
   109,584.18x = 12,241,924,375.39
5. Step 5: Solve for x
   x = 12,241,924,375.39/109,584.18
6. Step 6: Final answer
   x = 111,712.52