Finding the Fourth Proportional to 12,055.07, 18,085.37 and 4,659.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.07 : 18,085.37 = 4,659.59 : x
2. Step 2: Convert to fraction form
   12,055.07/18,085.37 = 4,659.59/x
3. Step 3: Cross multiply
   12,055.07x = 18,085.37 × 4,659.59
4. Step 4: Simplify right side
   12,055.07x = 84,270,385.90
5. Step 5: Solve for x
   x = 84,270,385.90/12,055.07
6. Step 6: Final answer
   x = 6,990.45