Finding the Fourth Proportional to 1,663.34, 2,295.24 and 917.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.34 : 2,295.24 = 917.33 : x
2. Step 2: Convert to fraction form
   1,663.34/2,295.24 = 917.33/x
3. Step 3: Cross multiply
   1,663.34x = 2,295.24 × 917.33
4. Step 4: Simplify right side
   1,663.34x = 2,105,477.59
5. Step 5: Solve for x
   x = 2,105,477.59/1,663.34
6. Step 6: Final answer
   x = 1,265.82