Finding the Fourth Proportional to 73,146.48, 109,719.72 and 17,742

Step by Step Solution

1. Step 1: Write the proportion equation
   73,146.48 : 109,719.72 = 17,742 : x
2. Step 2: Convert to fraction form
   73,146.48/109,719.72 = 17,742/x
3. Step 3: Cross multiply
   73,146.48x = 109,719.72 × 17,742
4. Step 4: Simplify right side
   73,146.48x = 1,946,647,272.24
5. Step 5: Solve for x
   x = 1,946,647,272.24/73,146.48
6. Step 6: Final answer
   x = 26,613