Finding the Fourth Proportional to 3,180.98, 4,389.72 and 1,783.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,180.98 : 4,389.72 = 1,783.73 : x
2. Step 2: Convert to fraction form
   3,180.98/4,389.72 = 1,783.73/x
3. Step 3: Cross multiply
   3,180.98x = 4,389.72 × 1,783.73
4. Step 4: Simplify right side
   3,180.98x = 7,830,053.31
5. Step 5: Solve for x
   x = 7,830,053.31/3,180.98
6. Step 6: Final answer
   x = 2,461.53