Finding the Fourth Proportional to 1,936.72, 2,672.60 and 1,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.72 : 2,672.60 = 1,052.50 : x
2. Step 2: Convert to fraction form
   1,936.72/2,672.60 = 1,052.50/x
3. Step 3: Cross multiply
   1,936.72x = 2,672.60 × 1,052.50
4. Step 4: Simplify right side
   1,936.72x = 2,812,915.55
5. Step 5: Solve for x
   x = 2,812,915.55/1,936.72
6. Step 6: Final answer
   x = 1,452.41