Finding the Fourth Proportional to 2,210.01, 3,311.37 and 1,386.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.01 : 3,311.37 = 1,386.24 : x
2. Step 2: Convert to fraction form
   2,210.01/3,311.37 = 1,386.24/x
3. Step 3: Cross multiply
   2,210.01x = 3,311.37 × 1,386.24
4. Step 4: Simplify right side
   2,210.01x = 4,590,353.55
5. Step 5: Solve for x
   x = 4,590,353.55/2,210.01
6. Step 6: Final answer
   x = 2,077.07