Finding the Fourth Proportional to 12,967.30, 17,895.10 and 7,662.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.30 : 17,895.10 = 7,662.10 : x
2. Step 2: Convert to fraction form
   12,967.30/17,895.10 = 7,662.10/x
3. Step 3: Cross multiply
   12,967.30x = 17,895.10 × 7,662.10
4. Step 4: Simplify right side
   12,967.30x = 137,114,109.60
5. Step 5: Solve for x
   x = 137,114,109.60/12,967.30
6. Step 6: Final answer
   x = 10,573.84