Finding the Fourth Proportional to 1,761.45, 2,430.71 and 964.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.45 : 2,430.71 = 964.82 : x
2. Step 2: Convert to fraction form
   1,761.45/2,430.71 = 964.82/x
3. Step 3: Cross multiply
   1,761.45x = 2,430.71 × 964.82
4. Step 4: Simplify right side
   1,761.45x = 2,345,180.64
5. Step 5: Solve for x
   x = 2,345,180.64/1,761.45
6. Step 6: Final answer
   x = 1,331.39