Finding the Fourth Proportional to 11,599.30, 17,390.44 and 3,697.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,599.30 : 17,390.44 = 3,697.28 : x
2. Step 2: Convert to fraction form
   11,599.30/17,390.44 = 3,697.28/x
3. Step 3: Cross multiply
   11,599.30x = 17,390.44 × 3,697.28
4. Step 4: Simplify right side
   11,599.30x = 64,297,308.89
5. Step 5: Solve for x
   x = 64,297,308.89/11,599.30
6. Step 6: Final answer
   x = 5,543.21