Finding the Fourth Proportional to 2,078.22, 3,115.89 and 1,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.22 : 3,115.89 = 1,051.50 : x
2. Step 2: Convert to fraction form
   2,078.22/3,115.89 = 1,051.50/x
3. Step 3: Cross multiply
   2,078.22x = 3,115.89 × 1,051.50
4. Step 4: Simplify right side
   2,078.22x = 3,276,358.34
5. Step 5: Solve for x
   x = 3,276,358.34/2,078.22
6. Step 6: Final answer
   x = 1,576.52