Finding the Fourth Proportional to 2,475.38, 3,416.01 and 1,356.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.38 : 3,416.01 = 1,356.31 : x
2. Step 2: Convert to fraction form
   2,475.38/3,416.01 = 1,356.31/x
3. Step 3: Cross multiply
   2,475.38x = 3,416.01 × 1,356.31
4. Step 4: Simplify right side
   2,475.38x = 4,633,175.34
5. Step 5: Solve for x
   x = 4,633,175.34/2,475.38
6. Step 6: Final answer
   x = 1,871.71