Finding the Fourth Proportional to 9,058.78, 13,583.46 and 5,362.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.78 : 13,583.46 = 5,362.18 : x
2. Step 2: Convert to fraction form
   9,058.78/13,583.46 = 5,362.18/x
3. Step 3: Cross multiply
   9,058.78x = 13,583.46 × 5,362.18
4. Step 4: Simplify right side
   9,058.78x = 72,836,957.54
5. Step 5: Solve for x
   x = 72,836,957.54/9,058.78
6. Step 6: Final answer
   x = 8,040.48