Finding the Fourth Proportional to 1,632.82, 2,454.64 and 1,267.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.82 : 2,454.64 = 1,267.78 : x
2. Step 2: Convert to fraction form
   1,632.82/2,454.64 = 1,267.78/x
3. Step 3: Cross multiply
   1,632.82x = 2,454.64 × 1,267.78
4. Step 4: Simplify right side
   1,632.82x = 3,111,943.50
5. Step 5: Solve for x
   x = 3,111,943.50/1,632.82
6. Step 6: Final answer
   x = 1,905.87