Finding the Fourth Proportional to 3,607.98, 5,411.34 and 1,011.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.98 : 5,411.34 = 1,011.12 : x
2. Step 2: Convert to fraction form
   3,607.98/5,411.34 = 1,011.12/x
3. Step 3: Cross multiply
   3,607.98x = 5,411.34 × 1,011.12
4. Step 4: Simplify right side
   3,607.98x = 5,471,514.10
5. Step 5: Solve for x
   x = 5,471,514.10/3,607.98
6. Step 6: Final answer
   x = 1,516.50