Finding the Fourth Proportional to 9,763.04, 13,469.76 and 5,570.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,763.04 : 13,469.76 = 5,570.40 : x
2. Step 2: Convert to fraction form
   9,763.04/13,469.76 = 5,570.40/x
3. Step 3: Cross multiply
   9,763.04x = 13,469.76 × 5,570.40
4. Step 4: Simplify right side
   9,763.04x = 75,031,951.10
5. Step 5: Solve for x
   x = 75,031,951.10/9,763.04
6. Step 6: Final answer
   x = 7,685.31