Finding the Fourth Proportional to 1,510.82, 2,265.74 and 1,412.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.82 : 2,265.74 = 1,412.40 : x
2. Step 2: Convert to fraction form
   1,510.82/2,265.74 = 1,412.40/x
3. Step 3: Cross multiply
   1,510.82x = 2,265.74 × 1,412.40
4. Step 4: Simplify right side
   1,510.82x = 3,200,137.91
5. Step 5: Solve for x
   x = 3,200,137.91/1,510.82
6. Step 6: Final answer
   x = 2,118.15