Finding the Fourth Proportional to 1,670.29, 2,504.86 and 559.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670.29 : 2,504.86 = 559.46 : x
2. Step 2: Convert to fraction form
   1,670.29/2,504.86 = 559.46/x
3. Step 3: Cross multiply
   1,670.29x = 2,504.86 × 559.46
4. Step 4: Simplify right side
   1,670.29x = 1,401,356.45
5. Step 5: Solve for x
   x = 1,401,356.45/1,670.29
6. Step 6: Final answer
   x = 838.99