Finding the Fourth Proportional to 16,946.89, 23,381.93 and 9,871.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,946.89 : 23,381.93 = 9,871.94 : x
2. Step 2: Convert to fraction form
   16,946.89/23,381.93 = 9,871.94/x
3. Step 3: Cross multiply
   16,946.89x = 23,381.93 × 9,871.94
4. Step 4: Simplify right side
   16,946.89x = 230,825,093.18
5. Step 5: Solve for x
   x = 230,825,093.18/16,946.89
6. Step 6: Final answer
   x = 13,620.50