Finding the Fourth Proportional to 8,886.88, 13,315.72 and 3,040.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886.88 : 13,315.72 = 3,040.30 : x
2. Step 2: Convert to fraction form
   8,886.88/13,315.72 = 3,040.30/x
3. Step 3: Cross multiply
   8,886.88x = 13,315.72 × 3,040.30
4. Step 4: Simplify right side
   8,886.88x = 40,483,783.52
5. Step 5: Solve for x
   x = 40,483,783.52/8,886.88
6. Step 6: Final answer
   x = 4,555.46