Finding the Fourth Proportional to 19,618.88, 27,081.90 and 12,068.24

Step by Step Solution

1. Step 1: Write the proportion equation
   19,618.88 : 27,081.90 = 12,068.24 : x
2. Step 2: Convert to fraction form
   19,618.88/27,081.90 = 12,068.24/x
3. Step 3: Cross multiply
   19,618.88x = 27,081.90 × 12,068.24
4. Step 4: Simplify right side
   19,618.88x = 326,830,733.45
5. Step 5: Solve for x
   x = 326,830,733.45/19,618.88
6. Step 6: Final answer
   x = 16,658.99