Finding the Fourth Proportional to 16,774.70, 23,152.43 and 12,788.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,774.70 : 23,152.43 = 12,788.69 : x
2. Step 2: Convert to fraction form
   16,774.70/23,152.43 = 12,788.69/x
3. Step 3: Cross multiply
   16,774.70x = 23,152.43 × 12,788.69
4. Step 4: Simplify right side
   16,774.70x = 296,089,166.23
5. Step 5: Solve for x
   x = 296,089,166.23/16,774.70
6. Step 6: Final answer
   x = 17,650.94