Finding the Fourth Proportional to 1,810.35, 2,498.65 and 1,180.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.35 : 2,498.65 = 1,180.98 : x
2. Step 2: Convert to fraction form
   1,810.35/2,498.65 = 1,180.98/x
3. Step 3: Cross multiply
   1,810.35x = 2,498.65 × 1,180.98
4. Step 4: Simplify right side
   1,810.35x = 2,950,852.72
5. Step 5: Solve for x
   x = 2,950,852.72/1,810.35
6. Step 6: Final answer
   x = 1,629.99