Finding the Fourth Proportional to 89,179.42, 123,080.22 and 55,198.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,179.42 : 123,080.22 = 55,198.84 : x
2. Step 2: Convert to fraction form
   89,179.42/123,080.22 = 55,198.84/x
3. Step 3: Cross multiply
   89,179.42x = 123,080.22 × 55,198.84
4. Step 4: Simplify right side
   89,179.42x = 6,793,885,370.94
5. Step 5: Solve for x
   x = 6,793,885,370.94/89,179.42
6. Step 6: Final answer
   x = 76,182.21