Finding the Fourth Proportional to 15,746.58, 21,736.17 and 10,443.18

Step by Step Solution

1. Step 1: Write the proportion equation
   15,746.58 : 21,736.17 = 10,443.18 : x
2. Step 2: Convert to fraction form
   15,746.58/21,736.17 = 10,443.18/x
3. Step 3: Cross multiply
   15,746.58x = 21,736.17 × 10,443.18
4. Step 4: Simplify right side
   15,746.58x = 226,994,735.82
5. Step 5: Solve for x
   x = 226,994,735.82/15,746.58
6. Step 6: Final answer
   x = 14,415.49