Finding the Fourth Proportional to 17,870.50, 24,661.31 and 10,419.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.50 : 24,661.31 = 10,419.94 : x
2. Step 2: Convert to fraction form
   17,870.50/24,661.31 = 10,419.94/x
3. Step 3: Cross multiply
   17,870.50x = 24,661.31 × 10,419.94
4. Step 4: Simplify right side
   17,870.50x = 256,969,370.52
5. Step 5: Solve for x
   x = 256,969,370.52/17,870.50
6. Step 6: Final answer
   x = 14,379.53