Finding the Fourth Proportional to 23,156.69, 34,706.57 and 13,169.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,156.69 : 34,706.57 = 13,169.81 : x
2. Step 2: Convert to fraction form
   23,156.69/34,706.57 = 13,169.81/x
3. Step 3: Cross multiply
   23,156.69x = 34,706.57 × 13,169.81
4. Step 4: Simplify right side
   23,156.69x = 457,078,866.80
5. Step 5: Solve for x
   x = 457,078,866.80/23,156.69
6. Step 6: Final answer
   x = 19,738.52