Finding the Fourth Proportional to 1,162.76, 1,603.80 and 1,112.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.76 : 1,603.80 = 1,112.94 : x
2. Step 2: Convert to fraction form
   1,162.76/1,603.80 = 1,112.94/x
3. Step 3: Cross multiply
   1,162.76x = 1,603.80 × 1,112.94
4. Step 4: Simplify right side
   1,162.76x = 1,784,933.17
5. Step 5: Solve for x
   x = 1,784,933.17/1,162.76
6. Step 6: Final answer
   x = 1,535.09