Finding the Fourth Proportional to 3,547.53, 5,294.27 and 3,404.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,547.53 : 5,294.27 = 3,404.45 : x
2. Step 2: Convert to fraction form
   3,547.53/5,294.27 = 3,404.45/x
3. Step 3: Cross multiply
   3,547.53x = 5,294.27 × 3,404.45
4. Step 4: Simplify right side
   3,547.53x = 18,024,099.25
5. Step 5: Solve for x
   x = 18,024,099.25/3,547.53
6. Step 6: Final answer
   x = 5,080.75