Finding the Fourth Proportional to 2,318.98, 3,457.79 and 2,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.98 : 3,457.79 = 2,061.40 : x
2. Step 2: Convert to fraction form
   2,318.98/3,457.79 = 2,061.40/x
3. Step 3: Cross multiply
   2,318.98x = 3,457.79 × 2,061.40
4. Step 4: Simplify right side
   2,318.98x = 7,127,878.00
5. Step 5: Solve for x
   x = 7,127,878.00/2,318.98
6. Step 6: Final answer
   x = 3,073.71