Finding the Fourth Proportional to 11,972.32, 17,959.72 and 4,583

Step by Step Solution

1. Step 1: Write the proportion equation
   11,972.32 : 17,959.72 = 4,583 : x
2. Step 2: Convert to fraction form
   11,972.32/17,959.72 = 4,583/x
3. Step 3: Cross multiply
   11,972.32x = 17,959.72 × 4,583
4. Step 4: Simplify right side
   11,972.32x = 82,309,396.76
5. Step 5: Solve for x
   x = 82,309,396.76/11,972.32
6. Step 6: Final answer
   x = 6,874.97