Finding the Fourth Proportional to 12,695.15, 17,519.39 and 7,030.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.15 : 17,519.39 = 7,030.08 : x
2. Step 2: Convert to fraction form
   12,695.15/17,519.39 = 7,030.08/x
3. Step 3: Cross multiply
   12,695.15x = 17,519.39 × 7,030.08
4. Step 4: Simplify right side
   12,695.15x = 123,162,678.10
5. Step 5: Solve for x
   x = 123,162,678.10/12,695.15
6. Step 6: Final answer
   x = 9,701.55