Finding the Fourth Proportional to 2,056.69, 3,085.03 and 517.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.69 : 3,085.03 = 517.69 : x
2. Step 2: Convert to fraction form
   2,056.69/3,085.03 = 517.69/x
3. Step 3: Cross multiply
   2,056.69x = 3,085.03 × 517.69
4. Step 4: Simplify right side
   2,056.69x = 1,597,082.76
5. Step 5: Solve for x
   x = 1,597,082.76/2,056.69
6. Step 6: Final answer
   x = 776.53