Finding the Fourth Proportional to 17,059.94, 23,542.88 and 9,986.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,059.94 : 23,542.88 = 9,986.51 : x
2. Step 2: Convert to fraction form
   17,059.94/23,542.88 = 9,986.51/x
3. Step 3: Cross multiply
   17,059.94x = 23,542.88 × 9,986.51
4. Step 4: Simplify right side
   17,059.94x = 235,111,206.55
5. Step 5: Solve for x
   x = 235,111,206.55/17,059.94
6. Step 6: Final answer
   x = 13,781.48