Finding the Fourth Proportional to 17,965.53, 24,795.59 and 13,709.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,965.53 : 24,795.59 = 13,709.61 : x
2. Step 2: Convert to fraction form
   17,965.53/24,795.59 = 13,709.61/x
3. Step 3: Cross multiply
   17,965.53x = 24,795.59 × 13,709.61
4. Step 4: Simplify right side
   17,965.53x = 339,937,800.07
5. Step 5: Solve for x
   x = 339,937,800.07/17,965.53
6. Step 6: Final answer
   x = 18,921.67