Finding the Fourth Proportional to 13,838.88, 19,101.72 and 7,873.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,838.88 : 19,101.72 = 7,873.88 : x
2. Step 2: Convert to fraction form
   13,838.88/19,101.72 = 7,873.88/x
3. Step 3: Cross multiply
   13,838.88x = 19,101.72 × 7,873.88
4. Step 4: Simplify right side
   13,838.88x = 150,404,651.07
5. Step 5: Solve for x
   x = 150,404,651.07/13,838.88
6. Step 6: Final answer
   x = 10,868.27