Finding the Fourth Proportional to 59,613.00, 89,632.58 and 54,990.23

Step by Step Solution

1. Step 1: Write the proportion equation
   59,613.00 : 89,632.58 = 54,990.23 : x
2. Step 2: Convert to fraction form
   59,613.00/89,632.58 = 54,990.23/x
3. Step 3: Cross multiply
   59,613.00x = 89,632.58 × 54,990.23
4. Step 4: Simplify right side
   59,613.00x = 4,928,915,466.58
5. Step 5: Solve for x
   x = 4,928,915,466.58/59,613.00
6. Step 6: Final answer
   x = 82,681.89