Finding the Fourth Proportional to 12,925.98, 17,800.56 and 12,335.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,925.98 : 17,800.56 = 12,335.49 : x
2. Step 2: Convert to fraction form
   12,925.98/17,800.56 = 12,335.49/x
3. Step 3: Cross multiply
   12,925.98x = 17,800.56 × 12,335.49
4. Step 4: Simplify right side
   12,925.98x = 219,578,629.87
5. Step 5: Solve for x
   x = 219,578,629.87/12,925.98
6. Step 6: Final answer
   x = 16,987.39