Finding the Fourth Proportional to 7,521.57, 10,375.25 and 5,537.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,521.57 : 10,375.25 = 5,537.25 : x
2. Step 2: Convert to fraction form
   7,521.57/10,375.25 = 5,537.25/x
3. Step 3: Cross multiply
   7,521.57x = 10,375.25 × 5,537.25
4. Step 4: Simplify right side
   7,521.57x = 57,450,325.38
5. Step 5: Solve for x
   x = 57,450,325.38/7,521.57
6. Step 6: Final answer
   x = 7,638.08