Finding the Fourth Proportional to 12,703.30, 17,528.78 and 7,036.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,703.30 : 17,528.78 = 7,036.64 : x
2. Step 2: Convert to fraction form
   12,703.30/17,528.78 = 7,036.64/x
3. Step 3: Cross multiply
   12,703.30x = 17,528.78 × 7,036.64
4. Step 4: Simplify right side
   12,703.30x = 123,343,710.18
5. Step 5: Solve for x
   x = 123,343,710.18/12,703.30
6. Step 6: Final answer
   x = 9,709.58