Finding the Fourth Proportional to 7,075.27, 9,763.40 and 3,888.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,075.27 : 9,763.40 = 3,888.50 : x
2. Step 2: Convert to fraction form
   7,075.27/9,763.40 = 3,888.50/x
3. Step 3: Cross multiply
   7,075.27x = 9,763.40 × 3,888.50
4. Step 4: Simplify right side
   7,075.27x = 37,964,941.80
5. Step 5: Solve for x
   x = 37,964,941.80/7,075.27
6. Step 6: Final answer
   x = 5,365.87