Finding the Fourth Proportional to 22,131.75, 30,538.24 and 13,179.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.75 : 30,538.24 = 13,179.03 : x
2. Step 2: Convert to fraction form
   22,131.75/30,538.24 = 13,179.03/x
3. Step 3: Cross multiply
   22,131.75x = 30,538.24 × 13,179.03
4. Step 4: Simplify right side
   22,131.75x = 402,464,381.11
5. Step 5: Solve for x
   x = 402,464,381.11/22,131.75
6. Step 6: Final answer
   x = 18,184.93