Finding the Fourth Proportional to 1,100.82, 1,651.32 and 552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.82 : 1,651.32 = 552.72 : x
2. Step 2: Convert to fraction form
   1,100.82/1,651.32 = 552.72/x
3. Step 3: Cross multiply
   1,100.82x = 1,651.32 × 552.72
4. Step 4: Simplify right side
   1,100.82x = 912,717.59
5. Step 5: Solve for x
   x = 912,717.59/1,100.82
6. Step 6: Final answer
   x = 829.13