Finding the Fourth Proportional to 89,552.30, 123,638.91 and 55,596.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,552.30 : 123,638.91 = 55,596.81 : x
2. Step 2: Convert to fraction form
   89,552.30/123,638.91 = 55,596.81/x
3. Step 3: Cross multiply
   89,552.30x = 123,638.91 × 55,596.81
4. Step 4: Simplify right side
   89,552.30x = 6,873,928,987.88
5. Step 5: Solve for x
   x = 6,873,928,987.88/89,552.30
6. Step 6: Final answer
   x = 76,758.82