Finding the Fourth Proportional to 1,112.53, 1,535.05 and 846.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.53 : 1,535.05 = 846.91 : x
2. Step 2: Convert to fraction form
   1,112.53/1,535.05 = 846.91/x
3. Step 3: Cross multiply
   1,112.53x = 1,535.05 × 846.91
4. Step 4: Simplify right side
   1,112.53x = 1,300,044.96
5. Step 5: Solve for x
   x = 1,300,044.96/1,112.53
6. Step 6: Final answer
   x = 1,168.55