Finding the Fourth Proportional to 5,401.88, 7,405.98 and 5,303.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.88 : 7,405.98 = 5,303.47 : x
2. Step 2: Convert to fraction form
   5,401.88/7,405.98 = 5,303.47/x
3. Step 3: Cross multiply
   5,401.88x = 7,405.98 × 5,303.47
4. Step 4: Simplify right side
   5,401.88x = 39,277,392.75
5. Step 5: Solve for x
   x = 39,277,392.75/5,401.88
6. Step 6: Final answer
   x = 7,271.06