Finding the Fourth Proportional to 89,204.88, 123,100.89 and 55,204.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,204.88 : 123,100.89 = 55,204.32 : x
2. Step 2: Convert to fraction form
   89,204.88/123,100.89 = 55,204.32/x
3. Step 3: Cross multiply
   89,204.88x = 123,100.89 × 55,204.32
4. Step 4: Simplify right side
   89,204.88x = 6,795,700,923.84
5. Step 5: Solve for x
   x = 6,795,700,923.84/89,204.88
6. Step 6: Final answer
   x = 76,180.82