Finding the Fourth Proportional to 1,113.98, 1,537.77 and 694.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.98 : 1,537.77 = 694.54 : x
2. Step 2: Convert to fraction form
   1,113.98/1,537.77 = 694.54/x
3. Step 3: Cross multiply
   1,113.98x = 1,537.77 × 694.54
4. Step 4: Simplify right side
   1,113.98x = 1,068,042.78
5. Step 5: Solve for x
   x = 1,068,042.78/1,113.98
6. Step 6: Final answer
   x = 958.76