Finding the Fourth Proportional to 3,504.84, 5,259.33 and 1,424.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,504.84 : 5,259.33 = 1,424.69 : x
2. Step 2: Convert to fraction form
   3,504.84/5,259.33 = 1,424.69/x
3. Step 3: Cross multiply
   3,504.84x = 5,259.33 × 1,424.69
4. Step 4: Simplify right side
   3,504.84x = 7,492,914.86
5. Step 5: Solve for x
   x = 7,492,914.86/3,504.84
6. Step 6: Final answer
   x = 2,137.88