Finding the Fourth Proportional to 1,882.47, 2,823.98 and 786.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.47 : 2,823.98 = 786.59 : x
2. Step 2: Convert to fraction form
   1,882.47/2,823.98 = 786.59/x
3. Step 3: Cross multiply
   1,882.47x = 2,823.98 × 786.59
4. Step 4: Simplify right side
   1,882.47x = 2,221,296.38
5. Step 5: Solve for x
   x = 2,221,296.38/1,882.47
6. Step 6: Final answer
   x = 1,179.99