Finding the Fourth Proportional to 1,842.89, 2,760.48 and 1,112.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.89 : 2,760.48 = 1,112.06 : x
2. Step 2: Convert to fraction form
   1,842.89/2,760.48 = 1,112.06/x
3. Step 3: Cross multiply
   1,842.89x = 2,760.48 × 1,112.06
4. Step 4: Simplify right side
   1,842.89x = 3,069,826.29
5. Step 5: Solve for x
   x = 3,069,826.29/1,842.89
6. Step 6: Final answer
   x = 1,665.77