Finding the Fourth Proportional to 17,870.45, 24,669.14 and 12,513.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,870.45 : 24,669.14 = 12,513.96 : x
2. Step 2: Convert to fraction form
   17,870.45/24,669.14 = 12,513.96/x
3. Step 3: Cross multiply
   17,870.45x = 24,669.14 × 12,513.96
4. Step 4: Simplify right side
   17,870.45x = 308,708,568.62
5. Step 5: Solve for x
   x = 308,708,568.62/17,870.45
6. Step 6: Final answer
   x = 17,274.81