Finding the Fourth Proportional to 4,920.56, 7,380.76 and 1,457.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,920.56 : 7,380.76 = 1,457.52 : x
2. Step 2: Convert to fraction form
   4,920.56/7,380.76 = 1,457.52/x
3. Step 3: Cross multiply
   4,920.56x = 7,380.76 × 1,457.52
4. Step 4: Simplify right side
   4,920.56x = 10,757,605.32
5. Step 5: Solve for x
   x = 10,757,605.32/4,920.56
6. Step 6: Final answer
   x = 2,186.26