Finding the Fourth Proportional to 89,498.03, 123,476.55 and 55,494.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,498.03 : 123,476.55 = 55,494.28 : x
2. Step 2: Convert to fraction form
   89,498.03/123,476.55 = 55,494.28/x
3. Step 3: Cross multiply
   89,498.03x = 123,476.55 × 55,494.28
4. Step 4: Simplify right side
   89,498.03x = 6,852,241,930.44
5. Step 5: Solve for x
   x = 6,852,241,930.44/89,498.03
6. Step 6: Final answer
   x = 76,563.05