Finding the Fourth Proportional to 2,030.31, 2,801.48 and 1,146.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.31 : 2,801.48 = 1,146.09 : x
2. Step 2: Convert to fraction form
   2,030.31/2,801.48 = 1,146.09/x
3. Step 3: Cross multiply
   2,030.31x = 2,801.48 × 1,146.09
4. Step 4: Simplify right side
   2,030.31x = 3,210,742.48
5. Step 5: Solve for x
   x = 3,210,742.48/2,030.31
6. Step 6: Final answer
   x = 1,581.41