Finding the Fourth Proportional to 2,318.70, 3,457.37 and 2,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.70 : 3,457.37 = 2,061.12 : x
2. Step 2: Convert to fraction form
   2,318.70/3,457.37 = 2,061.12/x
3. Step 3: Cross multiply
   2,318.70x = 3,457.37 × 2,061.12
4. Step 4: Simplify right side
   2,318.70x = 7,126,044.15
5. Step 5: Solve for x
   x = 7,126,044.15/2,318.70
6. Step 6: Final answer
   x = 3,073.29