Finding the Fourth Proportional to 1,112.82, 1,667.07 and 536.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.82 : 1,667.07 = 536.10 : x
2. Step 2: Convert to fraction form
   1,112.82/1,667.07 = 536.10/x
3. Step 3: Cross multiply
   1,112.82x = 1,667.07 × 536.10
4. Step 4: Simplify right side
   1,112.82x = 893,716.23
5. Step 5: Solve for x
   x = 893,716.23/1,112.82
6. Step 6: Final answer
   x = 803.11