Finding the Fourth Proportional to 7,436.72, 11,156.16 and 3,540.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,436.72 : 11,156.16 = 3,540.32 : x
2. Step 2: Convert to fraction form
   7,436.72/11,156.16 = 3,540.32/x
3. Step 3: Cross multiply
   7,436.72x = 11,156.16 × 3,540.32
4. Step 4: Simplify right side
   7,436.72x = 39,496,376.37
5. Step 5: Solve for x
   x = 39,496,376.37/7,436.72
6. Step 6: Final answer
   x = 5,310.99