Finding the Fourth Proportional to 7,858.69, 10,845.29 and 4,321.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,858.69 : 10,845.29 = 4,321.82 : x
2. Step 2: Convert to fraction form
   7,858.69/10,845.29 = 4,321.82/x
3. Step 3: Cross multiply
   7,858.69x = 10,845.29 × 4,321.82
4. Step 4: Simplify right side
   7,858.69x = 46,871,429.15
5. Step 5: Solve for x
   x = 46,871,429.15/7,858.69
6. Step 6: Final answer
   x = 5,964.28