Finding the Fourth Proportional to 9,353.87, 12,903.94 and 5,574.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.87 : 12,903.94 = 5,574.88 : x
2. Step 2: Convert to fraction form
   9,353.87/12,903.94 = 5,574.88/x
3. Step 3: Cross multiply
   9,353.87x = 12,903.94 × 5,574.88
4. Step 4: Simplify right side
   9,353.87x = 71,937,917.03
5. Step 5: Solve for x
   x = 71,937,917.03/9,353.87
6. Step 6: Final answer
   x = 7,690.71