Finding the Fourth Proportional to 22,992.72, 31,732.32 and 12,922.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,992.72 : 31,732.32 = 12,922.08 : x
2. Step 2: Convert to fraction form
   22,992.72/31,732.32 = 12,922.08/x
3. Step 3: Cross multiply
   22,992.72x = 31,732.32 × 12,922.08
4. Step 4: Simplify right side
   22,992.72x = 410,047,577.63
5. Step 5: Solve for x
   x = 410,047,577.63/22,992.72
6. Step 6: Final answer
   x = 17,833.80