Finding the Fourth Proportional to 1,808.82, 2,496.06 and 1,312.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.82 : 2,496.06 = 1,312.08 : x
2. Step 2: Convert to fraction form
   1,808.82/2,496.06 = 1,312.08/x
3. Step 3: Cross multiply
   1,808.82x = 2,496.06 × 1,312.08
4. Step 4: Simplify right side
   1,808.82x = 3,275,030.40
5. Step 5: Solve for x
   x = 3,275,030.40/1,808.82
6. Step 6: Final answer
   x = 1,810.59