Finding the Fourth Proportional to 17,077.05, 23,572.82 and 12,840.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,077.05 : 23,572.82 = 12,840.41 : x
2. Step 2: Convert to fraction form
   17,077.05/23,572.82 = 12,840.41/x
3. Step 3: Cross multiply
   17,077.05x = 23,572.82 × 12,840.41
4. Step 4: Simplify right side
   17,077.05x = 302,684,716.54
5. Step 5: Solve for x
   x = 302,684,716.54/17,077.05
6. Step 6: Final answer
   x = 17,724.65