Finding the Fourth Proportional to 1,809.05, 2,496.76 and 1,313.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.05 : 2,496.76 = 1,313.93 : x
2. Step 2: Convert to fraction form
   1,809.05/2,496.76 = 1,313.93/x
3. Step 3: Cross multiply
   1,809.05x = 2,496.76 × 1,313.93
4. Step 4: Simplify right side
   1,809.05x = 3,280,570.82
5. Step 5: Solve for x
   x = 3,280,570.82/1,809.05
6. Step 6: Final answer
   x = 1,813.43