Finding the Fourth Proportional to 3,314.78, 4,973.34 and 1,006.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,314.78 : 4,973.34 = 1,006.28 : x
2. Step 2: Convert to fraction form
   3,314.78/4,973.34 = 1,006.28/x
3. Step 3: Cross multiply
   3,314.78x = 4,973.34 × 1,006.28
4. Step 4: Simplify right side
   3,314.78x = 5,004,572.58
5. Step 5: Solve for x
   x = 5,004,572.58/3,314.78
6. Step 6: Final answer
   x = 1,509.78