Finding the Fourth Proportional to 12,964.82, 17,891.57 and 7,298.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,964.82 : 17,891.57 = 7,298.47 : x
2. Step 2: Convert to fraction form
   12,964.82/17,891.57 = 7,298.47/x
3. Step 3: Cross multiply
   12,964.82x = 17,891.57 × 7,298.47
4. Step 4: Simplify right side
   12,964.82x = 130,581,086.90
5. Step 5: Solve for x
   x = 130,581,086.90/12,964.82
6. Step 6: Final answer
   x = 10,071.96