Finding the Fourth Proportional to 2,054.16, 2,834.88 and 1,122.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.16 : 2,834.88 = 1,122.72 : x
2. Step 2: Convert to fraction form
   2,054.16/2,834.88 = 1,122.72/x
3. Step 3: Cross multiply
   2,054.16x = 2,834.88 × 1,122.72
4. Step 4: Simplify right side
   2,054.16x = 3,182,776.47
5. Step 5: Solve for x
   x = 3,182,776.47/2,054.16
6. Step 6: Final answer
   x = 1,549.43