Finding the Fourth Proportional to 6,174.72, 8,521.11 and 3,522.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,174.72 : 8,521.11 = 3,522.07 : x
2. Step 2: Convert to fraction form
   6,174.72/8,521.11 = 3,522.07/x
3. Step 3: Cross multiply
   6,174.72x = 8,521.11 × 3,522.07
4. Step 4: Simplify right side
   6,174.72x = 30,011,945.90
5. Step 5: Solve for x
   x = 30,011,945.90/6,174.72
6. Step 6: Final answer
   x = 4,860.45