Finding the Fourth Proportional to 8,960.31, 13,441.23 and 2,386.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,960.31 : 13,441.23 = 2,386.50 : x
2. Step 2: Convert to fraction form
   8,960.31/13,441.23 = 2,386.50/x
3. Step 3: Cross multiply
   8,960.31x = 13,441.23 × 2,386.50
4. Step 4: Simplify right side
   8,960.31x = 32,077,495.40
5. Step 5: Solve for x
   x = 32,077,495.40/8,960.31
6. Step 6: Final answer
   x = 3,579.95