Finding the Fourth Proportional to 2,476.72, 3,417.82 and 1,357.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.72 : 3,417.82 = 1,357.65 : x
2. Step 2: Convert to fraction form
   2,476.72/3,417.82 = 1,357.65/x
3. Step 3: Cross multiply
   2,476.72x = 3,417.82 × 1,357.65
4. Step 4: Simplify right side
   2,476.72x = 4,640,203.32
5. Step 5: Solve for x
   x = 4,640,203.32/2,476.72
6. Step 6: Final answer
   x = 1,873.53