Finding the Fourth Proportional to 5,433.71, 7,499.25 and 3,075.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,433.71 : 7,499.25 = 3,075.80 : x
2. Step 2: Convert to fraction form
   5,433.71/7,499.25 = 3,075.80/x
3. Step 3: Cross multiply
   5,433.71x = 7,499.25 × 3,075.80
4. Step 4: Simplify right side
   5,433.71x = 23,066,155.65
5. Step 5: Solve for x
   x = 23,066,155.65/5,433.71
6. Step 6: Final answer
   x = 4,245.01