Finding the Fourth Proportional to 8,588.96, 12,884.72 and 2,432.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,588.96 : 12,884.72 = 2,432.80 : x
2. Step 2: Convert to fraction form
   8,588.96/12,884.72 = 2,432.80/x
3. Step 3: Cross multiply
   8,588.96x = 12,884.72 × 2,432.80
4. Step 4: Simplify right side
   8,588.96x = 31,345,946.82
5. Step 5: Solve for x
   x = 31,345,946.82/8,588.96
6. Step 6: Final answer
   x = 3,649.56