Finding the Fourth Proportional to 1,663.92, 2,493.72 and 795.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.92 : 2,493.72 = 795.60 : x
2. Step 2: Convert to fraction form
   1,663.92/2,493.72 = 795.60/x
3. Step 3: Cross multiply
   1,663.92x = 2,493.72 × 795.60
4. Step 4: Simplify right side
   1,663.92x = 1,984,003.63
5. Step 5: Solve for x
   x = 1,984,003.63/1,663.92
6. Step 6: Final answer
   x = 1,192.37