Finding the Fourth Proportional to 22,493.56, 31,035.40 and 12,802.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.56 : 31,035.40 = 12,802.99 : x
2. Step 2: Convert to fraction form
   22,493.56/31,035.40 = 12,802.99/x
3. Step 3: Cross multiply
   22,493.56x = 31,035.40 × 12,802.99
4. Step 4: Simplify right side
   22,493.56x = 397,345,915.85
5. Step 5: Solve for x
   x = 397,345,915.85/22,493.56
6. Step 6: Final answer
   x = 17,664.87