Finding the Fourth Proportional to 1,054.82, 1,582.25 and 691.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.82 : 1,582.25 = 691.91 : x
2. Step 2: Convert to fraction form
   1,054.82/1,582.25 = 691.91/x
3. Step 3: Cross multiply
   1,054.82x = 1,582.25 × 691.91
4. Step 4: Simplify right side
   1,054.82x = 1,094,763.23
5. Step 5: Solve for x
   x = 1,094,763.23/1,054.82
6. Step 6: Final answer
   x = 1,037.87