Finding the Fourth Proportional to 1,035.57, 1,429.29 and 587.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.57 : 1,429.29 = 587.52 : x
2. Step 2: Convert to fraction form
   1,035.57/1,429.29 = 587.52/x
3. Step 3: Cross multiply
   1,035.57x = 1,429.29 × 587.52
4. Step 4: Simplify right side
   1,035.57x = 839,736.46
5. Step 5: Solve for x
   x = 839,736.46/1,035.57
6. Step 6: Final answer
   x = 810.89