Finding the Fourth Proportional to 3,456.63, 5,184.33 and 1,116.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.63 : 5,184.33 = 1,116.54 : x
2. Step 2: Convert to fraction form
   3,456.63/5,184.33 = 1,116.54/x
3. Step 3: Cross multiply
   3,456.63x = 5,184.33 × 1,116.54
4. Step 4: Simplify right side
   3,456.63x = 5,788,511.82
5. Step 5: Solve for x
   x = 5,788,511.82/3,456.63
6. Step 6: Final answer
   x = 1,674.61