Finding the Fourth Proportional to 2,575.00, 3,863.15 and 1,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.00 : 3,863.15 = 1,189.31 : x
2. Step 2: Convert to fraction form
   2,575.00/3,863.15 = 1,189.31/x
3. Step 3: Cross multiply
   2,575.00x = 3,863.15 × 1,189.31
4. Step 4: Simplify right side
   2,575.00x = 4,594,457.66
5. Step 5: Solve for x
   x = 4,594,457.66/2,575.00
6. Step 6: Final answer
   x = 1,784.26