Finding the Fourth Proportional to 1,546.05, 2,315.82 and 1,111.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546.05 : 2,315.82 = 1,111.89 : x
2. Step 2: Convert to fraction form
   1,546.05/2,315.82 = 1,111.89/x
3. Step 3: Cross multiply
   1,546.05x = 2,315.82 × 1,111.89
4. Step 4: Simplify right side
   1,546.05x = 2,574,937.10
5. Step 5: Solve for x
   x = 2,574,937.10/1,546.05
6. Step 6: Final answer
   x = 1,665.49