Finding the Fourth Proportional to 12,695.58, 17,519.68 and 7,030.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.58 : 17,519.68 = 7,030.20 : x
2. Step 2: Convert to fraction form
   12,695.58/17,519.68 = 7,030.20/x
3. Step 3: Cross multiply
   12,695.58x = 17,519.68 × 7,030.20
4. Step 4: Simplify right side
   12,695.58x = 123,166,854.34
5. Step 5: Solve for x
   x = 123,166,854.34/12,695.58
6. Step 6: Final answer
   x = 9,701.55