Finding the Fourth Proportional to 12,274.72, 18,415.02 and 3,955.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,274.72 : 18,415.02 = 3,955.52 : x
2. Step 2: Convert to fraction form
   12,274.72/18,415.02 = 3,955.52/x
3. Step 3: Cross multiply
   12,274.72x = 18,415.02 × 3,955.52
4. Step 4: Simplify right side
   12,274.72x = 72,841,040.78
5. Step 5: Solve for x
   x = 72,841,040.78/12,274.72
6. Step 6: Final answer
   x = 5,934.23