Finding the Fourth Proportional to 12,967.90, 17,895.92 and 7,662.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.90 : 17,895.92 = 7,662.69 : x
2. Step 2: Convert to fraction form
   12,967.90/17,895.92 = 7,662.69/x
3. Step 3: Cross multiply
   12,967.90x = 17,895.92 × 7,662.69
4. Step 4: Simplify right side
   12,967.90x = 137,130,848.91
5. Step 5: Solve for x
   x = 137,130,848.91/12,967.90
6. Step 6: Final answer
   x = 10,574.64