Finding the Fourth Proportional to 23,053.45, 31,805.88 and 13,981.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,053.45 : 31,805.88 = 13,981.59 : x
2. Step 2: Convert to fraction form
   23,053.45/31,805.88 = 13,981.59/x
3. Step 3: Cross multiply
   23,053.45x = 31,805.88 × 13,981.59
4. Step 4: Simplify right side
   23,053.45x = 444,696,773.75
5. Step 5: Solve for x
   x = 444,696,773.75/23,053.45
6. Step 6: Final answer
   x = 19,289.81