Finding the Fourth Proportional to 12,152.34, 16,765.59 and 7,674.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,152.34 : 16,765.59 = 7,674.39 : x
2. Step 2: Convert to fraction form
   12,152.34/16,765.59 = 7,674.39/x
3. Step 3: Cross multiply
   12,152.34x = 16,765.59 × 7,674.39
4. Step 4: Simplify right side
   12,152.34x = 128,665,676.24
5. Step 5: Solve for x
   x = 128,665,676.24/12,152.34
6. Step 6: Final answer
   x = 10,587.73