Finding the Fourth Proportional to 12,632.78, 17,432.83 and 6,967.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632.78 : 17,432.83 = 6,967.76 : x
2. Step 2: Convert to fraction form
   12,632.78/17,432.83 = 6,967.76/x
3. Step 3: Cross multiply
   12,632.78x = 17,432.83 × 6,967.76
4. Step 4: Simplify right side
   12,632.78x = 121,467,801.72
5. Step 5: Solve for x
   x = 121,467,801.72/12,632.78
6. Step 6: Final answer
   x = 9,615.28