Finding the Fourth Proportional to 8,020.59, 11,056.84 and 5,498.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.59 : 11,056.84 = 5,498.71 : x
2. Step 2: Convert to fraction form
   8,020.59/11,056.84 = 5,498.71/x
3. Step 3: Cross multiply
   8,020.59x = 11,056.84 × 5,498.71
4. Step 4: Simplify right side
   8,020.59x = 60,798,369.58
5. Step 5: Solve for x
   x = 60,798,369.58/8,020.59
6. Step 6: Final answer
   x = 7,580.28