Finding the Fourth Proportional to 2,053.76, 2,834.16 and 1,122.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.76 : 2,834.16 = 1,122.32 : x
2. Step 2: Convert to fraction form
   2,053.76/2,834.16 = 1,122.32/x
3. Step 3: Cross multiply
   2,053.76x = 2,834.16 × 1,122.32
4. Step 4: Simplify right side
   2,053.76x = 3,180,834.45
5. Step 5: Solve for x
   x = 3,180,834.45/2,053.76
6. Step 6: Final answer
   x = 1,548.79