Finding the Fourth Proportional to 5,858.56, 8,078.72 and 5,022.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,858.56 : 8,078.72 = 5,022.08 : x
2. Step 2: Convert to fraction form
   5,858.56/8,078.72 = 5,022.08/x
3. Step 3: Cross multiply
   5,858.56x = 8,078.72 × 5,022.08
4. Step 4: Simplify right side
   5,858.56x = 40,571,978.14
5. Step 5: Solve for x
   x = 40,571,978.14/5,858.56
6. Step 6: Final answer
   x = 6,925.25