Finding the Fourth Proportional to 22,898.89, 31,598.67 and 12,826.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,898.89 : 31,598.67 = 12,826.54 : x
2. Step 2: Convert to fraction form
   22,898.89/31,598.67 = 12,826.54/x
3. Step 3: Cross multiply
   22,898.89x = 31,598.67 × 12,826.54
4. Step 4: Simplify right side
   22,898.89x = 405,301,604.70
5. Step 5: Solve for x
   x = 405,301,604.70/22,898.89
6. Step 6: Final answer
   x = 17,699.62