Finding the Fourth Proportional to 3,748.20, 5,172.27 and 2,069.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.20 : 5,172.27 = 2,069.59 : x
2. Step 2: Convert to fraction form
   3,748.20/5,172.27 = 2,069.59/x
3. Step 3: Cross multiply
   3,748.20x = 5,172.27 × 2,069.59
4. Step 4: Simplify right side
   3,748.20x = 10,704,457.58
5. Step 5: Solve for x
   x = 10,704,457.58/3,748.20
6. Step 6: Final answer
   x = 2,855.90