Finding the Fourth Proportional to 8,627.60, 12,941.69 and 2,387.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,627.60 : 12,941.69 = 2,387.09 : x
2. Step 2: Convert to fraction form
   8,627.60/12,941.69 = 2,387.09/x
3. Step 3: Cross multiply
   8,627.60x = 12,941.69 × 2,387.09
4. Step 4: Simplify right side
   8,627.60x = 30,893,014.12
5. Step 5: Solve for x
   x = 30,893,014.12/8,627.60
6. Step 6: Final answer
   x = 3,580.72