Finding the Fourth Proportional to 5,376.72, 7,423.32 and 3,697.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,376.72 : 7,423.32 = 3,697.56 : x
2. Step 2: Convert to fraction form
   5,376.72/7,423.32 = 3,697.56/x
3. Step 3: Cross multiply
   5,376.72x = 7,423.32 × 3,697.56
4. Step 4: Simplify right side
   5,376.72x = 27,448,171.10
5. Step 5: Solve for x
   x = 27,448,171.10/5,376.72
6. Step 6: Final answer
   x = 5,105.00