Finding the Fourth Proportional to 1,889.47, 2,607.31 and 1,050.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.47 : 2,607.31 = 1,050.07 : x
2. Step 2: Convert to fraction form
   1,889.47/2,607.31 = 1,050.07/x
3. Step 3: Cross multiply
   1,889.47x = 2,607.31 × 1,050.07
4. Step 4: Simplify right side
   1,889.47x = 2,737,858.01
5. Step 5: Solve for x
   x = 2,737,858.01/1,889.47
6. Step 6: Final answer
   x = 1,449.01