Finding the Fourth Proportional to 12,054.34, 16,636.64 and 7,274.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.34 : 16,636.64 = 7,274.53 : x
2. Step 2: Convert to fraction form
   12,054.34/16,636.64 = 7,274.53/x
3. Step 3: Cross multiply
   12,054.34x = 16,636.64 × 7,274.53
4. Step 4: Simplify right side
   12,054.34x = 121,023,736.78
5. Step 5: Solve for x
   x = 121,023,736.78/12,054.34
6. Step 6: Final answer
   x = 10,039.85