Finding the Fourth Proportional to 2,347.69, 3,519.09 and 786.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.69 : 3,519.09 = 786.52 : x
2. Step 2: Convert to fraction form
   2,347.69/3,519.09 = 786.52/x
3. Step 3: Cross multiply
   2,347.69x = 3,519.09 × 786.52
4. Step 4: Simplify right side
   2,347.69x = 2,767,834.67
5. Step 5: Solve for x
   x = 2,767,834.67/2,347.69
6. Step 6: Final answer
   x = 1,178.96