Finding the Fourth Proportional to 4,743.56, 7,116.34 and 1,457.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,743.56 : 7,116.34 = 1,457.12 : x
2. Step 2: Convert to fraction form
   4,743.56/7,116.34 = 1,457.12/x
3. Step 3: Cross multiply
   4,743.56x = 7,116.34 × 1,457.12
4. Step 4: Simplify right side
   4,743.56x = 10,369,361.34
5. Step 5: Solve for x
   x = 10,369,361.34/4,743.56
6. Step 6: Final answer
   x = 2,185.99