Finding the Fourth Proportional to 2,477.34, 3,418.72 and 1,358.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.34 : 3,418.72 = 1,358.28 : x
2. Step 2: Convert to fraction form
   2,477.34/3,418.72 = 1,358.28/x
3. Step 3: Cross multiply
   2,477.34x = 3,418.72 × 1,358.28
4. Step 4: Simplify right side
   2,477.34x = 4,643,575.61
5. Step 5: Solve for x
   x = 4,643,575.61/2,477.34
6. Step 6: Final answer
   x = 1,874.42