Finding the Fourth Proportional to 22,846.56, 31,528.24 and 12,910.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,846.56 : 31,528.24 = 12,910.56 : x
2. Step 2: Convert to fraction form
   22,846.56/31,528.24 = 12,910.56/x
3. Step 3: Cross multiply
   22,846.56x = 31,528.24 × 12,910.56
4. Step 4: Simplify right side
   22,846.56x = 407,047,234.21
5. Step 5: Solve for x
   x = 407,047,234.21/22,846.56
6. Step 6: Final answer
   x = 17,816.57