Finding the Fourth Proportional to 12,929.58, 17,843.90 and 7,625.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929.58 : 17,843.90 = 7,625.43 : x
2. Step 2: Convert to fraction form
   12,929.58/17,843.90 = 7,625.43/x
3. Step 3: Cross multiply
   12,929.58x = 17,843.90 × 7,625.43
4. Step 4: Simplify right side
   12,929.58x = 136,067,372.25
5. Step 5: Solve for x
   x = 136,067,372.25/12,929.58
6. Step 6: Final answer
   x = 10,523.73