Finding the Fourth Proportional to 1,890.04, 2,607.94 and 1,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.04 : 2,607.94 = 1,050.72 : x
2. Step 2: Convert to fraction form
   1,890.04/2,607.94 = 1,050.72/x
3. Step 3: Cross multiply
   1,890.04x = 2,607.94 × 1,050.72
4. Step 4: Simplify right side
   1,890.04x = 2,740,214.72
5. Step 5: Solve for x
   x = 2,740,214.72/1,890.04
6. Step 6: Final answer
   x = 1,449.82