Finding the Fourth Proportional to 22,107.81, 30,499.95 and 13,152.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,107.81 : 30,499.95 = 13,152.04 : x
2. Step 2: Convert to fraction form
   22,107.81/30,499.95 = 13,152.04/x
3. Step 3: Cross multiply
   22,107.81x = 30,499.95 × 13,152.04
4. Step 4: Simplify right side
   22,107.81x = 401,136,562.40
5. Step 5: Solve for x
   x = 401,136,562.40/22,107.81
6. Step 6: Final answer
   x = 18,144.56