Finding the Fourth Proportional to 3,748.60, 5,172.94 and 2,069.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.60 : 5,172.94 = 2,069.98 : x
2. Step 2: Convert to fraction form
   3,748.60/5,172.94 = 2,069.98/x
3. Step 3: Cross multiply
   3,748.60x = 5,172.94 × 2,069.98
4. Step 4: Simplify right side
   3,748.60x = 10,707,882.34
5. Step 5: Solve for x
   x = 10,707,882.34/3,748.60
6. Step 6: Final answer
   x = 2,856.50