Finding the Fourth Proportional to 22,992.83, 31,730.75 and 12,922.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,992.83 : 31,730.75 = 12,922.19 : x
2. Step 2: Convert to fraction form
   22,992.83/31,730.75 = 12,922.19/x
3. Step 3: Cross multiply
   22,992.83x = 31,730.75 × 12,922.19
4. Step 4: Simplify right side
   22,992.83x = 410,030,903.01
5. Step 5: Solve for x
   x = 410,030,903.01/22,992.83
6. Step 6: Final answer
   x = 17,832.99