Finding the Fourth Proportional to 12,695.31, 17,519.49 and 7,030.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.31 : 17,519.49 = 7,030.51 : x
2. Step 2: Convert to fraction form
   12,695.31/17,519.49 = 7,030.51/x
3. Step 3: Cross multiply
   12,695.31x = 17,519.49 × 7,030.51
4. Step 4: Simplify right side
   12,695.31x = 123,170,949.64
5. Step 5: Solve for x
   x = 123,170,949.64/12,695.31
6. Step 6: Final answer
   x = 9,702.08