Finding the Fourth Proportional to 22,157.56, 30,576.22 and 12,596.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157.56 : 30,576.22 = 12,596.12 : x
2. Step 2: Convert to fraction form
   22,157.56/30,576.22 = 12,596.12/x
3. Step 3: Cross multiply
   22,157.56x = 30,576.22 × 12,596.12
4. Step 4: Simplify right side
   22,157.56x = 385,141,736.27
5. Step 5: Solve for x
   x = 385,141,736.27/22,157.56
6. Step 6: Final answer
   x = 17,381.96