Finding the Fourth Proportional to 3,576.74, 5,365.25 and 1,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,576.74 : 5,365.25 = 1,111.56 : x
2. Step 2: Convert to fraction form
   3,576.74/5,365.25 = 1,111.56/x
3. Step 3: Cross multiply
   3,576.74x = 5,365.25 × 1,111.56
4. Step 4: Simplify right side
   3,576.74x = 5,963,791.73
5. Step 5: Solve for x
   x = 5,963,791.73/3,576.74
6. Step 6: Final answer
   x = 1,667.38