Finding the Fourth Proportional to 9,806.99, 13,533.54 and 7,300.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,806.99 : 13,533.54 = 7,300.31 : x
2. Step 2: Convert to fraction form
   9,806.99/13,533.54 = 7,300.31/x
3. Step 3: Cross multiply
   9,806.99x = 13,533.54 × 7,300.31
4. Step 4: Simplify right side
   9,806.99x = 98,799,020.48
5. Step 5: Solve for x
   x = 98,799,020.48/9,806.99
6. Step 6: Final answer
   x = 10,074.35