Finding the Fourth Proportional to 22,915.73, 31,623.61 and 12,844.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,915.73 : 31,623.61 = 12,844.18 : x
2. Step 2: Convert to fraction form
   22,915.73/31,623.61 = 12,844.18/x
3. Step 3: Cross multiply
   22,915.73x = 31,623.61 × 12,844.18
4. Step 4: Simplify right side
   22,915.73x = 406,179,192.71
5. Step 5: Solve for x
   x = 406,179,192.71/22,915.73
6. Step 6: Final answer
   x = 17,724.91