Finding the Fourth Proportional to 1,035.86, 1,429.50 and 616.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.86 : 1,429.50 = 616.52 : x
2. Step 2: Convert to fraction form
   1,035.86/1,429.50 = 616.52/x
3. Step 3: Cross multiply
   1,035.86x = 1,429.50 × 616.52
4. Step 4: Simplify right side
   1,035.86x = 881,315.34
5. Step 5: Solve for x
   x = 881,315.34/1,035.86
6. Step 6: Final answer
   x = 850.81