Finding the Fourth Proportional to 2,073.40, 2,862.72 and 1,410.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.40 : 2,862.72 = 1,410.80 : x
2. Step 2: Convert to fraction form
   2,073.40/2,862.72 = 1,410.80/x
3. Step 3: Cross multiply
   2,073.40x = 2,862.72 × 1,410.80
4. Step 4: Simplify right side
   2,073.40x = 4,038,725.38
5. Step 5: Solve for x
   x = 4,038,725.38/2,073.40
6. Step 6: Final answer
   x = 1,947.88