Finding the Fourth Proportional to 7,817.43, 10,788.18 and 4,280.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,817.43 : 10,788.18 = 4,280.58 : x
2. Step 2: Convert to fraction form
   7,817.43/10,788.18 = 4,280.58/x
3. Step 3: Cross multiply
   7,817.43x = 10,788.18 × 4,280.58
4. Step 4: Simplify right side
   7,817.43x = 46,179,667.54
5. Step 5: Solve for x
   x = 46,179,667.54/7,817.43
6. Step 6: Final answer
   x = 5,907.27