Finding the Fourth Proportional to 8,976.51, 13,459.25 and 3,423.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,976.51 : 13,459.25 = 3,423.89 : x
2. Step 2: Convert to fraction form
   8,976.51/13,459.25 = 3,423.89/x
3. Step 3: Cross multiply
   8,976.51x = 13,459.25 × 3,423.89
4. Step 4: Simplify right side
   8,976.51x = 46,082,907.07
5. Step 5: Solve for x
   x = 46,082,907.07/8,976.51
6. Step 6: Final answer
   x = 5,133.72