Finding the Fourth Proportional to 22,440.51, 30,969.74 and 12,369.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,440.51 : 30,969.74 = 12,369.88 : x
2. Step 2: Convert to fraction form
   22,440.51/30,969.74 = 12,369.88/x
3. Step 3: Cross multiply
   22,440.51x = 30,969.74 × 12,369.88
4. Step 4: Simplify right side
   22,440.51x = 383,092,037.07
5. Step 5: Solve for x
   x = 383,092,037.07/22,440.51
6. Step 6: Final answer
   x = 17,071.45