Finding the Fourth Proportional to 8,962.31, 13,443.91 and 2,388.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,962.31 : 13,443.91 = 2,388.56 : x
2. Step 2: Convert to fraction form
   8,962.31/13,443.91 = 2,388.56/x
3. Step 3: Cross multiply
   8,962.31x = 13,443.91 × 2,388.56
4. Step 4: Simplify right side
   8,962.31x = 32,111,512.48
5. Step 5: Solve for x
   x = 32,111,512.48/8,962.31
6. Step 6: Final answer
   x = 3,582.95