Finding the Fourth Proportional to 10,980.94, 16,474.04 and 3,585.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.94 : 16,474.04 = 3,585.42 : x
2. Step 2: Convert to fraction form
   10,980.94/16,474.04 = 3,585.42/x
3. Step 3: Cross multiply
   10,980.94x = 16,474.04 × 3,585.42
4. Step 4: Simplify right side
   10,980.94x = 59,066,352.50
5. Step 5: Solve for x
   x = 59,066,352.50/10,980.94
6. Step 6: Final answer
   x = 5,378.99