Finding the Fourth Proportional to 17,976.42, 24,808.78 and 10,424.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,976.42 : 24,808.78 = 10,424.70 : x
2. Step 2: Convert to fraction form
   17,976.42/24,808.78 = 10,424.70/x
3. Step 3: Cross multiply
   17,976.42x = 24,808.78 × 10,424.70
4. Step 4: Simplify right side
   17,976.42x = 258,624,088.87
5. Step 5: Solve for x
   x = 258,624,088.87/17,976.42
6. Step 6: Final answer
   x = 14,386.85