Finding the Fourth Proportional to 2,419.52, 3,630.40 and 753.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,419.52 : 3,630.40 = 753.90 : x
2. Step 2: Convert to fraction form
   2,419.52/3,630.40 = 753.90/x
3. Step 3: Cross multiply
   2,419.52x = 3,630.40 × 753.90
4. Step 4: Simplify right side
   2,419.52x = 2,736,940.41
5. Step 5: Solve for x
   x = 2,736,940.41/2,419.52
6. Step 6: Final answer
   x = 1,131.19