Finding the Fourth Proportional to 1,929.30, 2,662.87 and 1,090.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,929.30 : 2,662.87 = 1,090.49 : x
2. Step 2: Convert to fraction form
   1,929.30/2,662.87 = 1,090.49/x
3. Step 3: Cross multiply
   1,929.30x = 2,662.87 × 1,090.49
4. Step 4: Simplify right side
   1,929.30x = 2,903,829.10
5. Step 5: Solve for x
   x = 2,903,829.10/1,929.30
6. Step 6: Final answer
   x = 1,505.12