Finding the Fourth Proportional to 3,449.82, 5,175.12 and 1,109.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,449.82 : 5,175.12 = 1,109.01 : x
2. Step 2: Convert to fraction form
   3,449.82/5,175.12 = 1,109.01/x
3. Step 3: Cross multiply
   3,449.82x = 5,175.12 × 1,109.01
4. Step 4: Simplify right side
   3,449.82x = 5,739,259.83
5. Step 5: Solve for x
   x = 5,739,259.83/3,449.82
6. Step 6: Final answer
   x = 1,663.64