Finding the Fourth Proportional to 16,742.52, 23,104.64 and 9,290.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,742.52 : 23,104.64 = 9,290.52 : x
2. Step 2: Convert to fraction form
   16,742.52/23,104.64 = 9,290.52/x
3. Step 3: Cross multiply
   16,742.52x = 23,104.64 × 9,290.52
4. Step 4: Simplify right side
   16,742.52x = 214,654,120.01
5. Step 5: Solve for x
   x = 214,654,120.01/16,742.52
6. Step 6: Final answer
   x = 12,820.90