Finding the Fourth Proportional to 3,748.21, 5,172.44 and 2,069.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.21 : 5,172.44 = 2,069.59 : x
2. Step 2: Convert to fraction form
   3,748.21/5,172.44 = 2,069.59/x
3. Step 3: Cross multiply
   3,748.21x = 5,172.44 × 2,069.59
4. Step 4: Simplify right side
   3,748.21x = 10,704,793.89
5. Step 5: Solve for x
   x = 10,704,793.89/3,748.21
6. Step 6: Final answer
   x = 2,855.98