Finding the Fourth Proportional to 1,510.25, 2,261.72 and 1,499.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.25 : 2,261.72 = 1,499.31 : x
2. Step 2: Convert to fraction form
   1,510.25/2,261.72 = 1,499.31/x
3. Step 3: Cross multiply
   1,510.25x = 2,261.72 × 1,499.31
4. Step 4: Simplify right side
   1,510.25x = 3,391,023.16
5. Step 5: Solve for x
   x = 3,391,023.16/1,510.25
6. Step 6: Final answer
   x = 2,245.35