Finding the Fourth Proportional to 12,036.76, 18,055.06 and 3,271.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,036.76 : 18,055.06 = 3,271.64 : x
2. Step 2: Convert to fraction form
   12,036.76/18,055.06 = 3,271.64/x
3. Step 3: Cross multiply
   12,036.76x = 18,055.06 × 3,271.64
4. Step 4: Simplify right side
   12,036.76x = 59,069,656.50
5. Step 5: Solve for x
   x = 59,069,656.50/12,036.76
6. Step 6: Final answer
   x = 4,907.44