Finding the Fourth Proportional to 12,809.34, 17,676.98 and 7,432.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,809.34 : 17,676.98 = 7,432.86 : x
2. Step 2: Convert to fraction form
   12,809.34/17,676.98 = 7,432.86/x
3. Step 3: Cross multiply
   12,809.34x = 17,676.98 × 7,432.86
4. Step 4: Simplify right side
   12,809.34x = 131,390,616.37
5. Step 5: Solve for x
   x = 131,390,616.37/12,809.34
6. Step 6: Final answer
   x = 10,257.41