Finding the Fourth Proportional to 7,075.96, 9,763.98 and 3,931.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,075.96 : 9,763.98 = 3,931.72 : x
2. Step 2: Convert to fraction form
   7,075.96/9,763.98 = 3,931.72/x
3. Step 3: Cross multiply
   7,075.96x = 9,763.98 × 3,931.72
4. Step 4: Simplify right side
   7,075.96x = 38,389,235.45
5. Step 5: Solve for x
   x = 38,389,235.45/7,075.96
6. Step 6: Final answer
   x = 5,425.30