Finding the Fourth Proportional to 3,576.51, 5,365.04 and 1,111.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,576.51 : 5,365.04 = 1,111.59 : x
2. Step 2: Convert to fraction form
   3,576.51/5,365.04 = 1,111.59/x
3. Step 3: Cross multiply
   3,576.51x = 5,365.04 × 1,111.59
4. Step 4: Simplify right side
   3,576.51x = 5,963,719.26
5. Step 5: Solve for x
   x = 5,963,719.26/3,576.51
6. Step 6: Final answer
   x = 1,667.47