Finding the Fourth Proportional to 12,581.90, 17,363.00 and 6,917

Step by Step Solution

1. Step 1: Write the proportion equation
   12,581.90 : 17,363.00 = 6,917 : x
2. Step 2: Convert to fraction form
   12,581.90/17,363.00 = 6,917/x
3. Step 3: Cross multiply
   12,581.90x = 17,363.00 × 6,917
4. Step 4: Simplify right side
   12,581.90x = 120,099,836.42
5. Step 5: Solve for x
   x = 120,099,836.42/12,581.90
6. Step 6: Final answer
   x = 9,545.45