Finding the Fourth Proportional to 1,632.44, 2,451.82 and 1,398.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.44 : 2,451.82 = 1,398.71 : x
2. Step 2: Convert to fraction form
   1,632.44/2,451.82 = 1,398.71/x
3. Step 3: Cross multiply
   1,632.44x = 2,451.82 × 1,398.71
4. Step 4: Simplify right side
   1,632.44x = 3,429,385.15
5. Step 5: Solve for x
   x = 3,429,385.15/1,632.44
6. Step 6: Final answer
   x = 2,100.77