Finding the Fourth Proportional to 12,926.83, 17,929.69 and 12,401.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926.83 : 17,929.69 = 12,401.95 : x
2. Step 2: Convert to fraction form
   12,926.83/17,929.69 = 12,401.95/x
3. Step 3: Cross multiply
   12,926.83x = 17,929.69 × 12,401.95
4. Step 4: Simplify right side
   12,926.83x = 222,363,118.90
5. Step 5: Solve for x
   x = 222,363,118.90/12,926.83
6. Step 6: Final answer
   x = 17,201.67