Finding the Fourth Proportional to 17,539.83, 26,084.20 and 16,986.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,539.83 : 26,084.20 = 16,986.09 : x
2. Step 2: Convert to fraction form
   17,539.83/26,084.20 = 16,986.09/x
3. Step 3: Cross multiply
   17,539.83x = 26,084.20 × 16,986.09
4. Step 4: Simplify right side
   17,539.83x = 443,068,568.78
5. Step 5: Solve for x
   x = 443,068,568.78/17,539.83
6. Step 6: Final answer
   x = 25,260.71