Finding the Fourth Proportional to 17,870.58, 24,669.54 and 12,214.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.58 : 24,669.54 = 12,214.49 : x
2. Step 2: Convert to fraction form
   17,870.58/24,669.54 = 12,214.49/x
3. Step 3: Cross multiply
   17,870.58x = 24,669.54 × 12,214.49
4. Step 4: Simplify right side
   17,870.58x = 301,325,726.29
5. Step 5: Solve for x
   x = 301,325,726.29/17,870.58
6. Step 6: Final answer
   x = 16,861.55