Finding the Fourth Proportional to 154,770.52, 231,844.74 and 80,743

Step by Step Solution

1. Step 1: Write the proportion equation
   154,770.52 : 231,844.74 = 80,743 : x
2. Step 2: Convert to fraction form
   154,770.52/231,844.74 = 80,743/x
3. Step 3: Cross multiply
   154,770.52x = 231,844.74 × 80,743
4. Step 4: Simplify right side
   154,770.52x = 18,719,839,841.82
5. Step 5: Solve for x
   x = 18,719,839,841.82/154,770.52
6. Step 6: Final answer
   x = 120,952.23