Finding the Fourth Proportional to 2,742.31, 3,783.46 and 1,562.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.31 : 3,783.46 = 1,562.54 : x
2. Step 2: Convert to fraction form
   2,742.31/3,783.46 = 1,562.54/x
3. Step 3: Cross multiply
   2,742.31x = 3,783.46 × 1,562.54
4. Step 4: Simplify right side
   2,742.31x = 5,911,807.59
5. Step 5: Solve for x
   x = 5,911,807.59/2,742.31
6. Step 6: Final answer
   x = 2,155.78