Finding the Fourth Proportional to 12,951.69, 19,423.41 and 5,554.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951.69 : 19,423.41 = 5,554.16 : x
2. Step 2: Convert to fraction form
   12,951.69/19,423.41 = 5,554.16/x
3. Step 3: Cross multiply
   12,951.69x = 19,423.41 × 5,554.16
4. Step 4: Simplify right side
   12,951.69x = 107,880,681.78
5. Step 5: Solve for x
   x = 107,880,681.78/12,951.69
6. Step 6: Final answer
   x = 8,329.47