Finding the Fourth Proportional to 3,074.56, 4,242.78 and 1,748.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,074.56 : 4,242.78 = 1,748.39 : x
2. Step 2: Convert to fraction form
   3,074.56/4,242.78 = 1,748.39/x
3. Step 3: Cross multiply
   3,074.56x = 4,242.78 × 1,748.39
4. Step 4: Simplify right side
   3,074.56x = 7,418,012.91
5. Step 5: Solve for x
   x = 7,418,012.91/3,074.56
6. Step 6: Final answer
   x = 2,412.71