Finding the Fourth Proportional to 3,748.12, 5,172.42 and 2,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.12 : 5,172.42 = 2,069.50 : x
2. Step 2: Convert to fraction form
   3,748.12/5,172.42 = 2,069.50/x
3. Step 3: Cross multiply
   3,748.12x = 5,172.42 × 2,069.50
4. Step 4: Simplify right side
   3,748.12x = 10,704,323.19
5. Step 5: Solve for x
   x = 10,704,323.19/3,748.12
6. Step 6: Final answer
   x = 2,855.92