Finding the Fourth Proportional to 3,942.81, 5,915.57 and 1,753.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.81 : 5,915.57 = 1,753.07 : x
2. Step 2: Convert to fraction form
   3,942.81/5,915.57 = 1,753.07/x
3. Step 3: Cross multiply
   3,942.81x = 5,915.57 × 1,753.07
4. Step 4: Simplify right side
   3,942.81x = 10,370,408.30
5. Step 5: Solve for x
   x = 10,370,408.30/3,942.81
6. Step 6: Final answer
   x = 2,630.21