Finding the Fourth Proportional to 7,075.25, 9,763.61 and 3,888.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,075.25 : 9,763.61 = 3,888.56 : x
2. Step 2: Convert to fraction form
   7,075.25/9,763.61 = 3,888.56/x
3. Step 3: Cross multiply
   7,075.25x = 9,763.61 × 3,888.56
4. Step 4: Simplify right side
   7,075.25x = 37,966,315.04
5. Step 5: Solve for x
   x = 37,966,315.04/7,075.25
6. Step 6: Final answer
   x = 5,366.08