Finding the Fourth Proportional to 18,798.17, 25,941.72 and 12,086.00

Step by Step Solution

1. Step 1: Write the proportion equation
   18,798.17 : 25,941.72 = 12,086.00 : x
2. Step 2: Convert to fraction form
   18,798.17/25,941.72 = 12,086.00/x
3. Step 3: Cross multiply
   18,798.17x = 25,941.72 × 12,086.00
4. Step 4: Simplify right side
   18,798.17x = 313,531,498.21
5. Step 5: Solve for x
   x = 313,531,498.21/18,798.17
6. Step 6: Final answer
   x = 16,678.84