Finding the Fourth Proportional to 22,892.10, 31,594.14 and 12,821.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,892.10 : 31,594.14 = 12,821.10 : x
2. Step 2: Convert to fraction form
   22,892.10/31,594.14 = 12,821.10/x
3. Step 3: Cross multiply
   22,892.10x = 31,594.14 × 12,821.10
4. Step 4: Simplify right side
   22,892.10x = 405,071,628.35
5. Step 5: Solve for x
   x = 405,071,628.35/22,892.10
6. Step 6: Final answer
   x = 17,694.82