Finding the Fourth Proportional to 1,709.37, 2,560.83 and 976.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709.37 : 2,560.83 = 976.74 : x
2. Step 2: Convert to fraction form
   1,709.37/2,560.83 = 976.74/x
3. Step 3: Cross multiply
   1,709.37x = 2,560.83 × 976.74
4. Step 4: Simplify right side
   1,709.37x = 2,501,265.09
5. Step 5: Solve for x
   x = 2,501,265.09/1,709.37
6. Step 6: Final answer
   x = 1,463.27