Finding the Fourth Proportional to 1,665.56, 2,504.00 and 1,343.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.56 : 2,504.00 = 1,343.18 : x
2. Step 2: Convert to fraction form
   1,665.56/2,504.00 = 1,343.18/x
3. Step 3: Cross multiply
   1,665.56x = 2,504.00 × 1,343.18
4. Step 4: Simplify right side
   1,665.56x = 3,363,313.56
5. Step 5: Solve for x
   x = 3,363,313.56/1,665.56
6. Step 6: Final answer
   x = 2,019.34