Finding the Fourth Proportional to 1,562.14, 2,342.74 and 1,287.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.14 : 2,342.74 = 1,287.55 : x
2. Step 2: Convert to fraction form
   1,562.14/2,342.74 = 1,287.55/x
3. Step 3: Cross multiply
   1,562.14x = 2,342.74 × 1,287.55
4. Step 4: Simplify right side
   1,562.14x = 3,016,394.89
5. Step 5: Solve for x
   x = 3,016,394.89/1,562.14
6. Step 6: Final answer
   x = 1,930.94