Finding the Fourth Proportional to 1,461.77, 2,017.55 and 964.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.77 : 2,017.55 = 964.47 : x
2. Step 2: Convert to fraction form
   1,461.77/2,017.55 = 964.47/x
3. Step 3: Cross multiply
   1,461.77x = 2,017.55 × 964.47
4. Step 4: Simplify right side
   1,461.77x = 1,945,861.63
5. Step 5: Solve for x
   x = 1,945,861.63/1,461.77
6. Step 6: Final answer
   x = 1,331.17