Finding the Fourth Proportional to 2,054.07, 3,076.74 and 1,077.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.07 : 3,076.74 = 1,077.21 : x
2. Step 2: Convert to fraction form
   2,054.07/3,076.74 = 1,077.21/x
3. Step 3: Cross multiply
   2,054.07x = 3,076.74 × 1,077.21
4. Step 4: Simplify right side
   2,054.07x = 3,314,295.10
5. Step 5: Solve for x
   x = 3,314,295.10/2,054.07
6. Step 6: Final answer
   x = 1,613.53