Finding the Fourth Proportional to 39,834.27, 59,760.69 and 13,179.18

Step by Step Solution

1. Step 1: Write the proportion equation
   39,834.27 : 59,760.69 = 13,179.18 : x
2. Step 2: Convert to fraction form
   39,834.27/59,760.69 = 13,179.18/x
3. Step 3: Cross multiply
   39,834.27x = 59,760.69 × 13,179.18
4. Step 4: Simplify right side
   39,834.27x = 787,596,897.04
5. Step 5: Solve for x
   x = 787,596,897.04/39,834.27
6. Step 6: Final answer
   x = 19,771.84