Finding the Fourth Proportional to 2,072.22, 3,110.04 and 1,457.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.22 : 3,110.04 = 1,457.16 : x
2. Step 2: Convert to fraction form
   2,072.22/3,110.04 = 1,457.16/x
3. Step 3: Cross multiply
   2,072.22x = 3,110.04 × 1,457.16
4. Step 4: Simplify right side
   2,072.22x = 4,531,825.89
5. Step 5: Solve for x
   x = 4,531,825.89/2,072.22
6. Step 6: Final answer
   x = 2,186.94