Finding the Fourth Proportional to 2,547.10, 3,819.50 and 791.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.10 : 3,819.50 = 791.59 : x
2. Step 2: Convert to fraction form
   2,547.10/3,819.50 = 791.59/x
3. Step 3: Cross multiply
   2,547.10x = 3,819.50 × 791.59
4. Step 4: Simplify right side
   2,547.10x = 3,023,478.01
5. Step 5: Solve for x
   x = 3,023,478.01/2,547.10
6. Step 6: Final answer
   x = 1,187.03