Finding the Fourth Proportional to 2,476.23, 3,417.24 and 1,357.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.23 : 3,417.24 = 1,357.10 : x
2. Step 2: Convert to fraction form
   2,476.23/3,417.24 = 1,357.10/x
3. Step 3: Cross multiply
   2,476.23x = 3,417.24 × 1,357.10
4. Step 4: Simplify right side
   2,476.23x = 4,637,519.32
5. Step 5: Solve for x
   x = 4,637,519.32/2,476.23
6. Step 6: Final answer
   x = 1,872.81