Finding the Fourth Proportional to 2,162.20, 2,987.58 and 1,773.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.20 : 2,987.58 = 1,773.40 : x
2. Step 2: Convert to fraction form
   2,162.20/2,987.58 = 1,773.40/x
3. Step 3: Cross multiply
   2,162.20x = 2,987.58 × 1,773.40
4. Step 4: Simplify right side
   2,162.20x = 5,298,174.37
5. Step 5: Solve for x
   x = 5,298,174.37/2,162.20
6. Step 6: Final answer
   x = 2,450.36