Finding the Fourth Proportional to 7,075.17, 9,763.82 and 3,888.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,075.17 : 9,763.82 = 3,888.81 : x
2. Step 2: Convert to fraction form
   7,075.17/9,763.82 = 3,888.81/x
3. Step 3: Cross multiply
   7,075.17x = 9,763.82 × 3,888.81
4. Step 4: Simplify right side
   7,075.17x = 37,969,661.59
5. Step 5: Solve for x
   x = 37,969,661.59/7,075.17
6. Step 6: Final answer
   x = 5,366.61