Finding the Fourth Proportional to 8,019.58, 11,058.50 and 5,505.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019.58 : 11,058.50 = 5,505.34 : x
2. Step 2: Convert to fraction form
   8,019.58/11,058.50 = 5,505.34/x
3. Step 3: Cross multiply
   8,019.58x = 11,058.50 × 5,505.34
4. Step 4: Simplify right side
   8,019.58x = 60,880,802.39
5. Step 5: Solve for x
   x = 60,880,802.39/8,019.58
6. Step 6: Final answer
   x = 7,591.52