Finding the Fourth Proportional to 12,670.28, 17,483.82 and 7,946.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670.28 : 17,483.82 = 7,946.36 : x
2. Step 2: Convert to fraction form
   12,670.28/17,483.82 = 7,946.36/x
3. Step 3: Cross multiply
   12,670.28x = 17,483.82 × 7,946.36
4. Step 4: Simplify right side
   12,670.28x = 138,932,727.90
5. Step 5: Solve for x
   x = 138,932,727.90/12,670.28
6. Step 6: Final answer
   x = 10,965.25