Finding the Fourth Proportional to 1,663.22, 2,495.37 and 738.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.22 : 2,495.37 = 738.56 : x
2. Step 2: Convert to fraction form
   1,663.22/2,495.37 = 738.56/x
3. Step 3: Cross multiply
   1,663.22x = 2,495.37 × 738.56
4. Step 4: Simplify right side
   1,663.22x = 1,842,980.47
5. Step 5: Solve for x
   x = 1,842,980.47/1,663.22
6. Step 6: Final answer
   x = 1,108.08