Finding the Fourth Proportional to 3,748.42, 5,172.79 and 2,069.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.42 : 5,172.79 = 2,069.94 : x
2. Step 2: Convert to fraction form
   3,748.42/5,172.79 = 2,069.94/x
3. Step 3: Cross multiply
   3,748.42x = 5,172.79 × 2,069.94
4. Step 4: Simplify right side
   3,748.42x = 10,707,364.93
5. Step 5: Solve for x
   x = 10,707,364.93/3,748.42
6. Step 6: Final answer
   x = 2,856.50