Finding the Fourth Proportional to 4,113.69, 5,676.43 and 2,520.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,113.69 : 5,676.43 = 2,520.72 : x
2. Step 2: Convert to fraction form
   4,113.69/5,676.43 = 2,520.72/x
3. Step 3: Cross multiply
   4,113.69x = 5,676.43 × 2,520.72
4. Step 4: Simplify right side
   4,113.69x = 14,308,690.63
5. Step 5: Solve for x
   x = 14,308,690.63/4,113.69
6. Step 6: Final answer
   x = 3,478.31