Finding the Fourth Proportional to 16,603.76, 22,942.37 and 13,274.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,603.76 : 22,942.37 = 13,274.06 : x
2. Step 2: Convert to fraction form
   16,603.76/22,942.37 = 13,274.06/x
3. Step 3: Cross multiply
   16,603.76x = 22,942.37 × 13,274.06
4. Step 4: Simplify right side
   16,603.76x = 304,538,314.40
5. Step 5: Solve for x
   x = 304,538,314.40/16,603.76
6. Step 6: Final answer
   x = 18,341.52