Finding the Fourth Proportional to 4,111.42, 5,674.38 and 2,620

Step by Step Solution

1. Step 1: Write the proportion equation
   4,111.42 : 5,674.38 = 2,620 : x
2. Step 2: Convert to fraction form
   4,111.42/5,674.38 = 2,620/x
3. Step 3: Cross multiply
   4,111.42x = 5,674.38 × 2,620
4. Step 4: Simplify right side
   4,111.42x = 14,866,875.60
5. Step 5: Solve for x
   x = 14,866,875.60/4,111.42
6. Step 6: Final answer
   x = 3,616.00