Finding the Fourth Proportional to 1,515.10, 2,090.52 and 1,096.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515.10 : 2,090.52 = 1,096.09 : x
2. Step 2: Convert to fraction form
   1,515.10/2,090.52 = 1,096.09/x
3. Step 3: Cross multiply
   1,515.10x = 2,090.52 × 1,096.09
4. Step 4: Simplify right side
   1,515.10x = 2,291,398.07
5. Step 5: Solve for x
   x = 2,291,398.07/1,515.10
6. Step 6: Final answer
   x = 1,512.37