Finding the Fourth Proportional to 9,583.49, 13,224.89 and 5,390.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,583.49 : 13,224.89 = 5,390.93 : x
2. Step 2: Convert to fraction form
   9,583.49/13,224.89 = 5,390.93/x
3. Step 3: Cross multiply
   9,583.49x = 13,224.89 × 5,390.93
4. Step 4: Simplify right side
   9,583.49x = 71,294,456.25
5. Step 5: Solve for x
   x = 71,294,456.25/9,583.49
6. Step 6: Final answer
   x = 7,439.30