Finding the Fourth Proportional to 9,008.15, 13,518.60 and 3,165.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.15 : 13,518.60 = 3,165.21 : x
2. Step 2: Convert to fraction form
   9,008.15/13,518.60 = 3,165.21/x
3. Step 3: Cross multiply
   9,008.15x = 13,518.60 × 3,165.21
4. Step 4: Simplify right side
   9,008.15x = 42,789,196.04
5. Step 5: Solve for x
   x = 42,789,196.04/9,008.15
6. Step 6: Final answer
   x = 4,750.06