Finding the Fourth Proportional to 2,475.98, 3,416.73 and 1,356.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.98 : 3,416.73 = 1,356.89 : x
2. Step 2: Convert to fraction form
   2,475.98/3,416.73 = 1,356.89/x
3. Step 3: Cross multiply
   2,475.98x = 3,416.73 × 1,356.89
4. Step 4: Simplify right side
   2,475.98x = 4,636,109.69
5. Step 5: Solve for x
   x = 4,636,109.69/2,475.98
6. Step 6: Final answer
   x = 1,872.44