Finding the Fourth Proportional to 9,842.10, 13,582.52 and 5,366.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,842.10 : 13,582.52 = 5,366.10 : x
2. Step 2: Convert to fraction form
   9,842.10/13,582.52 = 5,366.10/x
3. Step 3: Cross multiply
   9,842.10x = 13,582.52 × 5,366.10
4. Step 4: Simplify right side
   9,842.10x = 72,885,204.80
5. Step 5: Solve for x
   x = 72,885,204.80/9,842.10
6. Step 6: Final answer
   x = 7,405.46