Finding the Fourth Proportional to 1,112.24, 1,535.60 and 714.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.24 : 1,535.60 = 714.07 : x
2. Step 2: Convert to fraction form
   1,112.24/1,535.60 = 714.07/x
3. Step 3: Cross multiply
   1,112.24x = 1,535.60 × 714.07
4. Step 4: Simplify right side
   1,112.24x = 1,096,525.89
5. Step 5: Solve for x
   x = 1,096,525.89/1,112.24
6. Step 6: Final answer
   x = 985.88