Finding the Fourth Proportional to 12,061.17, 18,083.25 and 4,659.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.17 : 18,083.25 = 4,659.39 : x
2. Step 2: Convert to fraction form
   12,061.17/18,083.25 = 4,659.39/x
3. Step 3: Cross multiply
   12,061.17x = 18,083.25 × 4,659.39
4. Step 4: Simplify right side
   12,061.17x = 84,256,914.22
5. Step 5: Solve for x
   x = 84,256,914.22/12,061.17
6. Step 6: Final answer
   x = 6,985.80