Finding the Fourth Proportional to 2,476.83, 3,418.10 and 1,357.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.83 : 3,418.10 = 1,357.81 : x
2. Step 2: Convert to fraction form
   2,476.83/3,418.10 = 1,357.81/x
3. Step 3: Cross multiply
   2,476.83x = 3,418.10 × 1,357.81
4. Step 4: Simplify right side
   2,476.83x = 4,641,139.35
5. Step 5: Solve for x
   x = 4,641,139.35/2,476.83
6. Step 6: Final answer
   x = 1,873.82