Finding the Fourth Proportional to 1,890.27, 2,608.61 and 1,051.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.27 : 2,608.61 = 1,051.01 : x
2. Step 2: Convert to fraction form
   1,890.27/2,608.61 = 1,051.01/x
3. Step 3: Cross multiply
   1,890.27x = 2,608.61 × 1,051.01
4. Step 4: Simplify right side
   1,890.27x = 2,741,656.90
5. Step 5: Solve for x
   x = 2,741,656.90/1,890.27
6. Step 6: Final answer
   x = 1,450.40