Finding the Fourth Proportional to 2,174.30, 3,259.05 and 1,201.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.30 : 3,259.05 = 1,201.10 : x
2. Step 2: Convert to fraction form
   2,174.30/3,259.05 = 1,201.10/x
3. Step 3: Cross multiply
   2,174.30x = 3,259.05 × 1,201.10
4. Step 4: Simplify right side
   2,174.30x = 3,914,444.96
5. Step 5: Solve for x
   x = 3,914,444.96/2,174.30
6. Step 6: Final answer
   x = 1,800.32