Finding the Fourth Proportional to 1,757.34, 2,633.90 and 977.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.34 : 2,633.90 = 977.31 : x
2. Step 2: Convert to fraction form
   1,757.34/2,633.90 = 977.31/x
3. Step 3: Cross multiply
   1,757.34x = 2,633.90 × 977.31
4. Step 4: Simplify right side
   1,757.34x = 2,574,131.92
5. Step 5: Solve for x
   x = 2,574,131.92/1,757.34
6. Step 6: Final answer
   x = 1,464.79