Finding the Fourth Proportional to 5,519.30, 8,279.15 and 1,624.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,519.30 : 8,279.15 = 1,624.10 : x
2. Step 2: Convert to fraction form
   5,519.30/8,279.15 = 1,624.10/x
3. Step 3: Cross multiply
   5,519.30x = 8,279.15 × 1,624.10
4. Step 4: Simplify right side
   5,519.30x = 13,446,167.52
5. Step 5: Solve for x
   x = 13,446,167.52/5,519.30
6. Step 6: Final answer
   x = 2,436.21