Finding the Fourth Proportional to 16,691.52, 23,026.50 and 9,613.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,691.52 : 23,026.50 = 9,613.84 : x
2. Step 2: Convert to fraction form
   16,691.52/23,026.50 = 9,613.84/x
3. Step 3: Cross multiply
   16,691.52x = 23,026.50 × 9,613.84
4. Step 4: Simplify right side
   16,691.52x = 221,373,086.76
5. Step 5: Solve for x
   x = 221,373,086.76/16,691.52
6. Step 6: Final answer
   x = 13,262.61