Finding the Fourth Proportional to 2,054.12, 3,080.89 and 667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.12 : 3,080.89 = 667.48 : x
2. Step 2: Convert to fraction form
   2,054.12/3,080.89 = 667.48/x
3. Step 3: Cross multiply
   2,054.12x = 3,080.89 × 667.48
4. Step 4: Simplify right side
   2,054.12x = 2,056,417.05
5. Step 5: Solve for x
   x = 2,056,417.05/2,054.12
6. Step 6: Final answer
   x = 1,001.12