Finding the Fourth Proportional to 10,043.78, 15,065.47 and 3,118.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,043.78 : 15,065.47 = 3,118.26 : x
2. Step 2: Convert to fraction form
   10,043.78/15,065.47 = 3,118.26/x
3. Step 3: Cross multiply
   10,043.78x = 15,065.47 × 3,118.26
4. Step 4: Simplify right side
   10,043.78x = 46,978,052.48
5. Step 5: Solve for x
   x = 46,978,052.48/10,043.78
6. Step 6: Final answer
   x = 4,677.33