Finding the Fourth Proportional to 9,362.89, 12,918.29 and 5,584.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.89 : 12,918.29 = 5,584.34 : x
2. Step 2: Convert to fraction form
   9,362.89/12,918.29 = 5,584.34/x
3. Step 3: Cross multiply
   9,362.89x = 12,918.29 × 5,584.34
4. Step 4: Simplify right side
   9,362.89x = 72,140,127.95
5. Step 5: Solve for x
   x = 72,140,127.95/9,362.89
6. Step 6: Final answer
   x = 7,704.90