Finding the Fourth Proportional to 22,608.16, 31,199.63 and 12,537.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.16 : 31,199.63 = 12,537.03 : x
2. Step 2: Convert to fraction form
   22,608.16/31,199.63 = 12,537.03/x
3. Step 3: Cross multiply
   22,608.16x = 31,199.63 × 12,537.03
4. Step 4: Simplify right side
   22,608.16x = 391,150,697.30
5. Step 5: Solve for x
   x = 391,150,697.30/22,608.16
6. Step 6: Final answer
   x = 17,301.31