Finding the Fourth Proportional to 2,030.08, 2,801.46 and 1,145.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.08 : 2,801.46 = 1,145.86 : x
2. Step 2: Convert to fraction form
   2,030.08/2,801.46 = 1,145.86/x
3. Step 3: Cross multiply
   2,030.08x = 2,801.46 × 1,145.86
4. Step 4: Simplify right side
   2,030.08x = 3,210,080.96
5. Step 5: Solve for x
   x = 3,210,080.96/2,030.08
6. Step 6: Final answer
   x = 1,581.26