Finding the Fourth Proportional to 17,428.20, 24,054.72 and 10,719.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,428.20 : 24,054.72 = 10,719.60 : x
2. Step 2: Convert to fraction form
   17,428.20/24,054.72 = 10,719.60/x
3. Step 3: Cross multiply
   17,428.20x = 24,054.72 × 10,719.60
4. Step 4: Simplify right side
   17,428.20x = 257,856,976.51
5. Step 5: Solve for x
   x = 257,856,976.51/17,428.20
6. Step 6: Final answer
   x = 14,795.39