Finding the Fourth Proportional to 22,736.04, 31,374.72 and 12,664.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,736.04 : 31,374.72 = 12,664.14 : x
2. Step 2: Convert to fraction form
   22,736.04/31,374.72 = 12,664.14/x
3. Step 3: Cross multiply
   22,736.04x = 31,374.72 × 12,664.14
4. Step 4: Simplify right side
   22,736.04x = 397,333,846.54
5. Step 5: Solve for x
   x = 397,333,846.54/22,736.04
6. Step 6: Final answer
   x = 17,475.95