Finding the Fourth Proportional to 7,111.69, 10,674.14 and 3,604.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111.69 : 10,674.14 = 3,604.17 : x
2. Step 2: Convert to fraction form
   7,111.69/10,674.14 = 3,604.17/x
3. Step 3: Cross multiply
   7,111.69x = 10,674.14 × 3,604.17
4. Step 4: Simplify right side
   7,111.69x = 38,471,415.16
5. Step 5: Solve for x
   x = 38,471,415.16/7,111.69
6. Step 6: Final answer
   x = 5,409.60