Finding the Fourth Proportional to 1,632.84, 2,448.60 and 766.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.84 : 2,448.60 = 766.56 : x
2. Step 2: Convert to fraction form
   1,632.84/2,448.60 = 766.56/x
3. Step 3: Cross multiply
   1,632.84x = 2,448.60 × 766.56
4. Step 4: Simplify right side
   1,632.84x = 1,876,998.82
5. Step 5: Solve for x
   x = 1,876,998.82/1,632.84
6. Step 6: Final answer
   x = 1,149.53