Finding the Fourth Proportional to 3,564.72, 5,307.84 and 3,525.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564.72 : 5,307.84 = 3,525.48 : x
2. Step 2: Convert to fraction form
   3,564.72/5,307.84 = 3,525.48/x
3. Step 3: Cross multiply
   3,564.72x = 5,307.84 × 3,525.48
4. Step 4: Simplify right side
   3,564.72x = 18,712,683.76
5. Step 5: Solve for x
   x = 18,712,683.76/3,564.72
6. Step 6: Final answer
   x = 5,249.41