Finding the Fourth Proportional to 12,973.56, 19,456.72 and 5,576.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.56 : 19,456.72 = 5,576.38 : x
2. Step 2: Convert to fraction form
   12,973.56/19,456.72 = 5,576.38/x
3. Step 3: Cross multiply
   12,973.56x = 19,456.72 × 5,576.38
4. Step 4: Simplify right side
   12,973.56x = 108,498,064.27
5. Step 5: Solve for x
   x = 108,498,064.27/12,973.56
6. Step 6: Final answer
   x = 8,363.01