Finding the Fourth Proportional to 2,477.16, 3,418.34 and 1,358

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.16 : 3,418.34 = 1,358 : x
2. Step 2: Convert to fraction form
   2,477.16/3,418.34 = 1,358/x
3. Step 3: Cross multiply
   2,477.16x = 3,418.34 × 1,358
4. Step 4: Simplify right side
   2,477.16x = 4,642,105.72
5. Step 5: Solve for x
   x = 4,642,105.72/2,477.16
6. Step 6: Final answer
   x = 1,873.96