Finding the Fourth Proportional to 9,763.38, 13,478.13 and 5,570.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,763.38 : 13,478.13 = 5,570.82 : x
2. Step 2: Convert to fraction form
   9,763.38/13,478.13 = 5,570.82/x
3. Step 3: Cross multiply
   9,763.38x = 13,478.13 × 5,570.82
4. Step 4: Simplify right side
   9,763.38x = 75,084,236.17
5. Step 5: Solve for x
   x = 75,084,236.17/9,763.38
6. Step 6: Final answer
   x = 7,690.39