Finding the Fourth Proportional to 2,030.22, 2,801.72 and 1,145.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.22 : 2,801.72 = 1,145.97 : x
2. Step 2: Convert to fraction form
   2,030.22/2,801.72 = 1,145.97/x
3. Step 3: Cross multiply
   2,030.22x = 2,801.72 × 1,145.97
4. Step 4: Simplify right side
   2,030.22x = 3,210,689.93
5. Step 5: Solve for x
   x = 3,210,689.93/2,030.22
6. Step 6: Final answer
   x = 1,581.45