Finding the Fourth Proportional to 12,698.28, 17,523.81 and 7,032.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,698.28 : 17,523.81 = 7,032.60 : x
2. Step 2: Convert to fraction form
   12,698.28/17,523.81 = 7,032.60/x
3. Step 3: Cross multiply
   12,698.28x = 17,523.81 × 7,032.60
4. Step 4: Simplify right side
   12,698.28x = 123,237,946.21
5. Step 5: Solve for x
   x = 123,237,946.21/12,698.28
6. Step 6: Final answer
   x = 9,705.09