Finding the Fourth Proportional to 9,012.96, 13,520.14 and 2,439.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.96 : 13,520.14 = 2,439.18 : x
2. Step 2: Convert to fraction form
   9,012.96/13,520.14 = 2,439.18/x
3. Step 3: Cross multiply
   9,012.96x = 13,520.14 × 2,439.18
4. Step 4: Simplify right side
   9,012.96x = 32,978,055.09
5. Step 5: Solve for x
   x = 32,978,055.09/9,012.96
6. Step 6: Final answer
   x = 3,658.96