Finding the Fourth Proportional to 16,764.45, 23,134.56 and 9,107.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,764.45 : 23,134.56 = 9,107.63 : x
2. Step 2: Convert to fraction form
   16,764.45/23,134.56 = 9,107.63/x
3. Step 3: Cross multiply
   16,764.45x = 23,134.56 × 9,107.63
4. Step 4: Simplify right side
   16,764.45x = 210,700,897.02
5. Step 5: Solve for x
   x = 210,700,897.02/16,764.45
6. Step 6: Final answer
   x = 12,568.32