Finding the Fourth Proportional to 22,994.36, 31,732.18 and 13,440.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,994.36 : 31,732.18 = 13,440.82 : x
2. Step 2: Convert to fraction form
   22,994.36/31,732.18 = 13,440.82/x
3. Step 3: Cross multiply
   22,994.36x = 31,732.18 × 13,440.82
4. Step 4: Simplify right side
   22,994.36x = 426,506,519.59
5. Step 5: Solve for x
   x = 426,506,519.59/22,994.36
6. Step 6: Final answer
   x = 18,548.31