Finding the Fourth Proportional to 1,899.87, 2,848.38 and 729.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.87 : 2,848.38 = 729.42 : x
2. Step 2: Convert to fraction form
   1,899.87/2,848.38 = 729.42/x
3. Step 3: Cross multiply
   1,899.87x = 2,848.38 × 729.42
4. Step 4: Simplify right side
   1,899.87x = 2,077,665.34
5. Step 5: Solve for x
   x = 2,077,665.34/1,899.87
6. Step 6: Final answer
   x = 1,093.58