Finding the Fourth Proportional to 12,056.52, 18,081.28 and 4,659.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,056.52 : 18,081.28 = 4,659.25 : x
2. Step 2: Convert to fraction form
   12,056.52/18,081.28 = 4,659.25/x
3. Step 3: Cross multiply
   12,056.52x = 18,081.28 × 4,659.25
4. Step 4: Simplify right side
   12,056.52x = 84,245,193.25
5. Step 5: Solve for x
   x = 84,245,193.25/12,056.52
6. Step 6: Final answer
   x = 6,987.52