Finding the Fourth Proportional to 3,030.78, 4,181.47 and 2,470.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,030.78 : 4,181.47 = 2,470.29 : x
2. Step 2: Convert to fraction form
   3,030.78/4,181.47 = 2,470.29/x
3. Step 3: Cross multiply
   3,030.78x = 4,181.47 × 2,470.29
4. Step 4: Simplify right side
   3,030.78x = 10,329,443.53
5. Step 5: Solve for x
   x = 10,329,443.53/3,030.78
6. Step 6: Final answer
   x = 3,408.18