Finding the Fourth Proportional to 1,131.04, 1,676.56 and 1,113.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.04 : 1,676.56 = 1,113.63 : x
2. Step 2: Convert to fraction form
   1,131.04/1,676.56 = 1,113.63/x
3. Step 3: Cross multiply
   1,131.04x = 1,676.56 × 1,113.63
4. Step 4: Simplify right side
   1,131.04x = 1,867,067.51
5. Step 5: Solve for x
   x = 1,867,067.51/1,131.04
6. Step 6: Final answer
   x = 1,650.75