Finding the Fourth Proportional to 12,930.68, 17,843.82 and 7,625.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,930.68 : 17,843.82 = 7,625.72 : x
2. Step 2: Convert to fraction form
   12,930.68/17,843.82 = 7,625.72/x
3. Step 3: Cross multiply
   12,930.68x = 17,843.82 × 7,625.72
4. Step 4: Simplify right side
   12,930.68x = 136,071,975.05
5. Step 5: Solve for x
   x = 136,071,975.05/12,930.68
6. Step 6: Final answer
   x = 10,523.19