Finding the Fourth Proportional to 1,810.69, 2,498.65 and 1,313.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.69 : 2,498.65 = 1,313.96 : x
2. Step 2: Convert to fraction form
   1,810.69/2,498.65 = 1,313.96/x
3. Step 3: Cross multiply
   1,810.69x = 2,498.65 × 1,313.96
4. Step 4: Simplify right side
   1,810.69x = 3,283,110.38
5. Step 5: Solve for x
   x = 3,283,110.38/1,810.69
6. Step 6: Final answer
   x = 1,813.18