Finding the Fourth Proportional to 7,820.01, 10,791.77 and 4,283.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,820.01 : 10,791.77 = 4,283.15 : x
2. Step 2: Convert to fraction form
   7,820.01/10,791.77 = 4,283.15/x
3. Step 3: Cross multiply
   7,820.01x = 10,791.77 × 4,283.15
4. Step 4: Simplify right side
   7,820.01x = 46,222,694.30
5. Step 5: Solve for x
   x = 46,222,694.30/7,820.01
6. Step 6: Final answer
   x = 5,910.82