Finding the Fourth Proportional to 16,711.12, 23,060.46 and 9,155.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.12 : 23,060.46 = 9,155.98 : x
2. Step 2: Convert to fraction form
   16,711.12/23,060.46 = 9,155.98/x
3. Step 3: Cross multiply
   16,711.12x = 23,060.46 × 9,155.98
4. Step 4: Simplify right side
   16,711.12x = 211,141,110.55
5. Step 5: Solve for x
   x = 211,141,110.55/16,711.12
6. Step 6: Final answer
   x = 12,634.77