Finding the Fourth Proportional to 7,858.71, 10,844.91 and 4,321.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,858.71 : 10,844.91 = 4,321.89 : x
2. Step 2: Convert to fraction form
   7,858.71/10,844.91 = 4,321.89/x
3. Step 3: Cross multiply
   7,858.71x = 10,844.91 × 4,321.89
4. Step 4: Simplify right side
   7,858.71x = 46,870,508.08
5. Step 5: Solve for x
   x = 46,870,508.08/7,858.71
6. Step 6: Final answer
   x = 5,964.15