Finding the Fourth Proportional to 3,030.28, 4,542.72 and 1,180.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,030.28 : 4,542.72 = 1,180.96 : x
2. Step 2: Convert to fraction form
   3,030.28/4,542.72 = 1,180.96/x
3. Step 3: Cross multiply
   3,030.28x = 4,542.72 × 1,180.96
4. Step 4: Simplify right side
   3,030.28x = 5,364,770.61
5. Step 5: Solve for x
   x = 5,364,770.61/3,030.28
6. Step 6: Final answer
   x = 1,770.39