Finding the Fourth Proportional to 5,075.06, 7,002.25 and 3,187.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,075.06 : 7,002.25 = 3,187.55 : x
2. Step 2: Convert to fraction form
   5,075.06/7,002.25 = 3,187.55/x
3. Step 3: Cross multiply
   5,075.06x = 7,002.25 × 3,187.55
4. Step 4: Simplify right side
   5,075.06x = 22,320,031.52
5. Step 5: Solve for x
   x = 22,320,031.52/5,075.06
6. Step 6: Final answer
   x = 4,397.99