Finding the Fourth Proportional to 1,913.27, 2,640.34 and 1,062.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913.27 : 2,640.34 = 1,062.50 : x
2. Step 2: Convert to fraction form
   1,913.27/2,640.34 = 1,062.50/x
3. Step 3: Cross multiply
   1,913.27x = 2,640.34 × 1,062.50
4. Step 4: Simplify right side
   1,913.27x = 2,805,361.25
5. Step 5: Solve for x
   x = 2,805,361.25/1,913.27
6. Step 6: Final answer
   x = 1,466.27