Finding the Fourth Proportional to 9,504.35, 13,116.50 and 5,728.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,504.35 : 13,116.50 = 5,728.71 : x
2. Step 2: Convert to fraction form
   9,504.35/13,116.50 = 5,728.71/x
3. Step 3: Cross multiply
   9,504.35x = 13,116.50 × 5,728.71
4. Step 4: Simplify right side
   9,504.35x = 75,140,596.07
5. Step 5: Solve for x
   x = 75,140,596.07/9,504.35
6. Step 6: Final answer
   x = 7,905.92