Finding the Fourth Proportional to 3,460.69, 4,779.73 and 2,520.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,460.69 : 4,779.73 = 2,520.69 : x
2. Step 2: Convert to fraction form
   3,460.69/4,779.73 = 2,520.69/x
3. Step 3: Cross multiply
   3,460.69x = 4,779.73 × 2,520.69
4. Step 4: Simplify right side
   3,460.69x = 12,048,217.61
5. Step 5: Solve for x
   x = 12,048,217.61/3,460.69
6. Step 6: Final answer
   x = 3,481.45