Finding the Fourth Proportional to 3,051.40, 4,578.34 and 1,103.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,051.40 : 4,578.34 = 1,103.76 : x
2. Step 2: Convert to fraction form
   3,051.40/4,578.34 = 1,103.76/x
3. Step 3: Cross multiply
   3,051.40x = 4,578.34 × 1,103.76
4. Step 4: Simplify right side
   3,051.40x = 5,053,388.56
5. Step 5: Solve for x
   x = 5,053,388.56/3,051.40
6. Step 6: Final answer
   x = 1,656.09