Finding the Fourth Proportional to 2,074.50, 2,861.62 and 1,318.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.50 : 2,861.62 = 1,318.01 : x
2. Step 2: Convert to fraction form
   2,074.50/2,861.62 = 1,318.01/x
3. Step 3: Cross multiply
   2,074.50x = 2,861.62 × 1,318.01
4. Step 4: Simplify right side
   2,074.50x = 3,771,626.17
5. Step 5: Solve for x
   x = 3,771,626.17/2,074.50
6. Step 6: Final answer
   x = 1,818.09