Finding the Fourth Proportional to 3,576.08, 5,364.63 and 1,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,576.08 : 5,364.63 = 1,111.10 : x
2. Step 2: Convert to fraction form
   3,576.08/5,364.63 = 1,111.10/x
3. Step 3: Cross multiply
   3,576.08x = 5,364.63 × 1,111.10
4. Step 4: Simplify right side
   3,576.08x = 5,960,640.39
5. Step 5: Solve for x
   x = 5,960,640.39/3,576.08
6. Step 6: Final answer
   x = 1,666.81