Finding the Fourth Proportional to 16,961.67, 23,406.73 and 9,407.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,961.67 : 23,406.73 = 9,407.94 : x
2. Step 2: Convert to fraction form
   16,961.67/23,406.73 = 9,407.94/x
3. Step 3: Cross multiply
   16,961.67x = 23,406.73 × 9,407.94
4. Step 4: Simplify right side
   16,961.67x = 220,209,111.44
5. Step 5: Solve for x
   x = 220,209,111.44/16,961.67
6. Step 6: Final answer
   x = 12,982.75