Finding the Fourth Proportional to 2,979.47, 4,468.82 and 788.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.47 : 4,468.82 = 788.37 : x
2. Step 2: Convert to fraction form
   2,979.47/4,468.82 = 788.37/x
3. Step 3: Cross multiply
   2,979.47x = 4,468.82 × 788.37
4. Step 4: Simplify right side
   2,979.47x = 3,523,085.59
5. Step 5: Solve for x
   x = 3,523,085.59/2,979.47
6. Step 6: Final answer
   x = 1,182.45