Finding the Fourth Proportional to 22,109.68, 30,501.04 and 13,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.68 : 30,501.04 = 13,152.16 : x
2. Step 2: Convert to fraction form
   22,109.68/30,501.04 = 13,152.16/x
3. Step 3: Cross multiply
   22,109.68x = 30,501.04 × 13,152.16
4. Step 4: Simplify right side
   22,109.68x = 401,154,558.25
5. Step 5: Solve for x
   x = 401,154,558.25/22,109.68
6. Step 6: Final answer
   x = 18,143.84