Finding the Fourth Proportional to 9,040.18, 13,558.92 and 3,118

Step by Step Solution

1. Step 1: Write the proportion equation
   9,040.18 : 13,558.92 = 3,118 : x
2. Step 2: Convert to fraction form
   9,040.18/13,558.92 = 3,118/x
3. Step 3: Cross multiply
   9,040.18x = 13,558.92 × 3,118
4. Step 4: Simplify right side
   9,040.18x = 42,276,712.56
5. Step 5: Solve for x
   x = 42,276,712.56/9,040.18
6. Step 6: Final answer
   x = 4,676.53