Finding the Fourth Proportional to 3,150.55, 4,347.78 and 1,753.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.55 : 4,347.78 = 1,753.30 : x
2. Step 2: Convert to fraction form
   3,150.55/4,347.78 = 1,753.30/x
3. Step 3: Cross multiply
   3,150.55x = 4,347.78 × 1,753.30
4. Step 4: Simplify right side
   3,150.55x = 7,622,940.94
5. Step 5: Solve for x
   x = 7,622,940.94/3,150.55
6. Step 6: Final answer
   x = 2,419.56