Finding the Fourth Proportional to 14,495.88, 19,989 and 10,953.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,495.88 : 19,989 = 10,953.48 : x
2. Step 2: Convert to fraction form
   14,495.88/19,989 = 10,953.48/x
3. Step 3: Cross multiply
   14,495.88x = 19,989 × 10,953.48
4. Step 4: Simplify right side
   14,495.88x = 218,949,111.72
5. Step 5: Solve for x
   x = 218,949,111.72/14,495.88
6. Step 6: Final answer
   x = 15,104.23