Finding the Fourth Proportional to 2,376.80, 3,277.98 and 1,786.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,376.80 : 3,277.98 = 1,786.31 : x
2. Step 2: Convert to fraction form
   2,376.80/3,277.98 = 1,786.31/x
3. Step 3: Cross multiply
   2,376.80x = 3,277.98 × 1,786.31
4. Step 4: Simplify right side
   2,376.80x = 5,855,488.45
5. Step 5: Solve for x
   x = 5,855,488.45/2,376.80
6. Step 6: Final answer
   x = 2,463.60