Finding the Fourth Proportional to 1,112.48, 1,535.52 and 719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.48 : 1,535.52 = 719.52 : x
2. Step 2: Convert to fraction form
   1,112.48/1,535.52 = 719.52/x
3. Step 3: Cross multiply
   1,112.48x = 1,535.52 × 719.52
4. Step 4: Simplify right side
   1,112.48x = 1,104,837.35
5. Step 5: Solve for x
   x = 1,104,837.35/1,112.48
6. Step 6: Final answer
   x = 993.13