Finding the Fourth Proportional to 3,742.84, 5,612.82 and 1,109.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742.84 : 5,612.82 = 1,109.56 : x
2. Step 2: Convert to fraction form
   3,742.84/5,612.82 = 1,109.56/x
3. Step 3: Cross multiply
   3,742.84x = 5,612.82 × 1,109.56
4. Step 4: Simplify right side
   3,742.84x = 6,227,760.56
5. Step 5: Solve for x
   x = 6,227,760.56/3,742.84
6. Step 6: Final answer
   x = 1,663.91