Finding the Fourth Proportional to 1,523.82, 2,100.78 and 964.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.82 : 2,100.78 = 964.01 : x
2. Step 2: Convert to fraction form
   1,523.82/2,100.78 = 964.01/x
3. Step 3: Cross multiply
   1,523.82x = 2,100.78 × 964.01
4. Step 4: Simplify right side
   1,523.82x = 2,025,178.18
5. Step 5: Solve for x
   x = 2,025,178.18/1,523.82
6. Step 6: Final answer
   x = 1,329.01