Finding the Fourth Proportional to 17,405.76, 26,105.76 and 5,719.08

Step by Step Solution

1. Step 1: Write the proportion equation
   17,405.76 : 26,105.76 = 5,719.08 : x
2. Step 2: Convert to fraction form
   17,405.76/26,105.76 = 5,719.08/x
3. Step 3: Cross multiply
   17,405.76x = 26,105.76 × 5,719.08
4. Step 4: Simplify right side
   17,405.76x = 149,300,929.90
5. Step 5: Solve for x
   x = 149,300,929.90/17,405.76
6. Step 6: Final answer
   x = 8,577.67