Finding the Fourth Proportional to 22,126.16, 30,537.72 and 13,174.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,126.16 : 30,537.72 = 13,174.16 : x
2. Step 2: Convert to fraction form
   22,126.16/30,537.72 = 13,174.16/x
3. Step 3: Cross multiply
   22,126.16x = 30,537.72 × 13,174.16
4. Step 4: Simplify right side
   22,126.16x = 402,308,809.32
5. Step 5: Solve for x
   x = 402,308,809.32/22,126.16
6. Step 6: Final answer
   x = 18,182.50