Finding the Fourth Proportional to 9,815.13, 14,728.94 and 3,574.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.13 : 14,728.94 = 3,574.53 : x
2. Step 2: Convert to fraction form
   9,815.13/14,728.94 = 3,574.53/x
3. Step 3: Cross multiply
   9,815.13x = 14,728.94 × 3,574.53
4. Step 4: Simplify right side
   9,815.13x = 52,649,020.03
5. Step 5: Solve for x
   x = 52,649,020.03/9,815.13
6. Step 6: Final answer
   x = 5,364.07