Finding the Fourth Proportional to 1,665.48, 2,487.84 and 1,233.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.48 : 2,487.84 = 1,233.48 : x
2. Step 2: Convert to fraction form
   1,665.48/2,487.84 = 1,233.48/x
3. Step 3: Cross multiply
   1,665.48x = 2,487.84 × 1,233.48
4. Step 4: Simplify right side
   1,665.48x = 3,068,700.88
5. Step 5: Solve for x
   x = 3,068,700.88/1,665.48
6. Step 6: Final answer
   x = 1,842.53