Finding the Fourth Proportional to 9,842.49, 13,582.69 and 5,366.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,842.49 : 13,582.69 = 5,366.31 : x
2. Step 2: Convert to fraction form
   9,842.49/13,582.69 = 5,366.31/x
3. Step 3: Cross multiply
   9,842.49x = 13,582.69 × 5,366.31
4. Step 4: Simplify right side
   9,842.49x = 72,888,990.29
5. Step 5: Solve for x
   x = 72,888,990.29/9,842.49
6. Step 6: Final answer
   x = 7,405.55