Finding the Fourth Proportional to 1,665.48, 2,297.30 and 1,001.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.48 : 2,297.30 = 1,001.96 : x
2. Step 2: Convert to fraction form
   1,665.48/2,297.30 = 1,001.96/x
3. Step 3: Cross multiply
   1,665.48x = 2,297.30 × 1,001.96
4. Step 4: Simplify right side
   1,665.48x = 2,301,802.71
5. Step 5: Solve for x
   x = 2,301,802.71/1,665.48
6. Step 6: Final answer
   x = 1,382.07