Finding the Fourth Proportional to 2,174.10, 3,262.10 and 1,077.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.10 : 3,262.10 = 1,077.86 : x
2. Step 2: Convert to fraction form
   2,174.10/3,262.10 = 1,077.86/x
3. Step 3: Cross multiply
   2,174.10x = 3,262.10 × 1,077.86
4. Step 4: Simplify right side
   2,174.10x = 3,516,065.41
5. Step 5: Solve for x
   x = 3,516,065.41/2,174.10
6. Step 6: Final answer
   x = 1,617.25