Finding the Fourth Proportional to 2,632.14, 3,945.37 and 1,398.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.14 : 3,945.37 = 1,398.30 : x
2. Step 2: Convert to fraction form
   2,632.14/3,945.37 = 1,398.30/x
3. Step 3: Cross multiply
   2,632.14x = 3,945.37 × 1,398.30
4. Step 4: Simplify right side
   2,632.14x = 5,516,817.24
5. Step 5: Solve for x
   x = 5,516,817.24/2,632.14
6. Step 6: Final answer
   x = 2,095.95