Finding the Fourth Proportional to 1,929.89, 2,663.21 and 1,090.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.89 : 2,663.21 = 1,090.56 : x
2. Step 2: Convert to fraction form
   1,929.89/2,663.21 = 1,090.56/x
3. Step 3: Cross multiply
   1,929.89x = 2,663.21 × 1,090.56
4. Step 4: Simplify right side
   1,929.89x = 2,904,388.03
5. Step 5: Solve for x
   x = 2,904,388.03/1,929.89
6. Step 6: Final answer
   x = 1,504.95