Finding the Fourth Proportional to 1,137.82, 1,705.71 and 552.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.82 : 1,705.71 = 552.46 : x
2. Step 2: Convert to fraction form
   1,137.82/1,705.71 = 552.46/x
3. Step 3: Cross multiply
   1,137.82x = 1,705.71 × 552.46
4. Step 4: Simplify right side
   1,137.82x = 942,336.55
5. Step 5: Solve for x
   x = 942,336.55/1,137.82
6. Step 6: Final answer
   x = 828.19