Finding the Fourth Proportional to 12,680.80, 17,500.83 and 7,303.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,680.80 : 17,500.83 = 7,303.42 : x
2. Step 2: Convert to fraction form
   12,680.80/17,500.83 = 7,303.42/x
3. Step 3: Cross multiply
   12,680.80x = 17,500.83 × 7,303.42
4. Step 4: Simplify right side
   12,680.80x = 127,815,807.88
5. Step 5: Solve for x
   x = 127,815,807.88/12,680.80
6. Step 6: Final answer
   x = 10,079.47