Finding the Fourth Proportional to 1,899.98, 2,849.76 and 667.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.98 : 2,849.76 = 667.43 : x
2. Step 2: Convert to fraction form
   1,899.98/2,849.76 = 667.43/x
3. Step 3: Cross multiply
   1,899.98x = 2,849.76 × 667.43
4. Step 4: Simplify right side
   1,899.98x = 1,902,015.32
5. Step 5: Solve for x
   x = 1,902,015.32/1,899.98
6. Step 6: Final answer
   x = 1,001.07