Finding the Fourth Proportional to 5,433.69, 7,498.35 and 3,075.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,433.69 : 7,498.35 = 3,075.78 : x
2. Step 2: Convert to fraction form
   5,433.69/7,498.35 = 3,075.78/x
3. Step 3: Cross multiply
   5,433.69x = 7,498.35 × 3,075.78
4. Step 4: Simplify right side
   5,433.69x = 23,063,274.96
5. Step 5: Solve for x
   x = 23,063,274.96/5,433.69
6. Step 6: Final answer
   x = 4,244.50