Finding the Fourth Proportional to 1,771.18, 2,651.72 and 1,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771.18 : 2,651.72 = 1,406.50 : x
2. Step 2: Convert to fraction form
   1,771.18/2,651.72 = 1,406.50/x
3. Step 3: Cross multiply
   1,771.18x = 2,651.72 × 1,406.50
4. Step 4: Simplify right side
   1,771.18x = 3,729,644.18
5. Step 5: Solve for x
   x = 3,729,644.18/1,771.18
6. Step 6: Final answer
   x = 2,105.74