Finding the Fourth Proportional to 1,510.56, 2,081.60 and 1,090.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.56 : 2,081.60 = 1,090.18 : x
2. Step 2: Convert to fraction form
   1,510.56/2,081.60 = 1,090.18/x
3. Step 3: Cross multiply
   1,510.56x = 2,081.60 × 1,090.18
4. Step 4: Simplify right side
   1,510.56x = 2,269,318.69
5. Step 5: Solve for x
   x = 2,269,318.69/1,510.56
6. Step 6: Final answer
   x = 1,502.30