Finding the Fourth Proportional to 1,889.87, 2,607.89 and 1,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.87 : 2,607.89 = 1,050.56 : x
2. Step 2: Convert to fraction form
   1,889.87/2,607.89 = 1,050.56/x
3. Step 3: Cross multiply
   1,889.87x = 2,607.89 × 1,050.56
4. Step 4: Simplify right side
   1,889.87x = 2,739,726.63
5. Step 5: Solve for x
   x = 2,739,726.63/1,889.87
6. Step 6: Final answer
   x = 1,449.69