Finding the Fourth Proportional to 1,889.71, 2,607.83 and 1,050.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.71 : 2,607.83 = 1,050.47 : x
2. Step 2: Convert to fraction form
   1,889.71/2,607.83 = 1,050.47/x
3. Step 3: Cross multiply
   1,889.71x = 2,607.83 × 1,050.47
4. Step 4: Simplify right side
   1,889.71x = 2,739,447.18
5. Step 5: Solve for x
   x = 2,739,447.18/1,889.71
6. Step 6: Final answer
   x = 1,449.67