Finding the Fourth Proportional to 1,890.52, 2,609.06 and 1,051.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.52 : 2,609.06 = 1,051.29 : x
2. Step 2: Convert to fraction form
   1,890.52/2,609.06 = 1,051.29/x
3. Step 3: Cross multiply
   1,890.52x = 2,609.06 × 1,051.29
4. Step 4: Simplify right side
   1,890.52x = 2,742,878.69
5. Step 5: Solve for x
   x = 2,742,878.69/1,890.52
6. Step 6: Final answer
   x = 1,450.86