Finding the Fourth Proportional to 12,673.98, 19,005.54 and 4,354.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.98 : 19,005.54 = 4,354.83 : x
2. Step 2: Convert to fraction form
   12,673.98/19,005.54 = 4,354.83/x
3. Step 3: Cross multiply
   12,673.98x = 19,005.54 × 4,354.83
4. Step 4: Simplify right side
   12,673.98x = 82,765,895.76
5. Step 5: Solve for x
   x = 82,765,895.76/12,673.98
6. Step 6: Final answer
   x = 6,530.38