Finding the Fourth Proportional to 1,842.57, 2,542.82 and 1,056.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.57 : 2,542.82 = 1,056.69 : x
2. Step 2: Convert to fraction form
   1,842.57/2,542.82 = 1,056.69/x
3. Step 3: Cross multiply
   1,842.57x = 2,542.82 × 1,056.69
4. Step 4: Simplify right side
   1,842.57x = 2,686,967.18
5. Step 5: Solve for x
   x = 2,686,967.18/1,842.57
6. Step 6: Final answer
   x = 1,458.27