Finding the Fourth Proportional to 1,112.84, 1,667.62 and 535.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.84 : 1,667.62 = 535.04 : x
2. Step 2: Convert to fraction form
   1,112.84/1,667.62 = 535.04/x
3. Step 3: Cross multiply
   1,112.84x = 1,667.62 × 535.04
4. Step 4: Simplify right side
   1,112.84x = 892,243.40
5. Step 5: Solve for x
   x = 892,243.40/1,112.84
6. Step 6: Final answer
   x = 801.77