Finding the Fourth Proportional to 19,613.53, 27,066.72 and 10,661.02

Step by Step Solution

1. Step 1: Write the proportion equation
   19,613.53 : 27,066.72 = 10,661.02 : x
2. Step 2: Convert to fraction form
   19,613.53/27,066.72 = 10,661.02/x
3. Step 3: Cross multiply
   19,613.53x = 27,066.72 × 10,661.02
4. Step 4: Simplify right side
   19,613.53x = 288,558,843.25
5. Step 5: Solve for x
   x = 288,558,843.25/19,613.53
6. Step 6: Final answer
   x = 14,712.23