Finding the Fourth Proportional to 2,054.48, 2,833.56 and 1,345.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.48 : 2,833.56 = 1,345.55 : x
2. Step 2: Convert to fraction form
   2,054.48/2,833.56 = 1,345.55/x
3. Step 3: Cross multiply
   2,054.48x = 2,833.56 × 1,345.55
4. Step 4: Simplify right side
   2,054.48x = 3,812,682.49
5. Step 5: Solve for x
   x = 3,812,682.49/2,054.48
6. Step 6: Final answer
   x = 1,855.79