Finding the Fourth Proportional to 89,554.27, 123,615.24 and 55,582.64

Step by Step Solution

1. Step 1: Write the proportion equation
   89,554.27 : 123,615.24 = 55,582.64 : x
2. Step 2: Convert to fraction form
   89,554.27/123,615.24 = 55,582.64/x
3. Step 3: Cross multiply
   89,554.27x = 123,615.24 × 55,582.64
4. Step 4: Simplify right side
   89,554.27x = 6,870,861,698.31
5. Step 5: Solve for x
   x = 6,870,861,698.31/89,554.27
6. Step 6: Final answer
   x = 76,722.88